OneMonroe’s JIS BUNA O-Rings offer superior sealing solutions for various industrial applications, ensuring top-notch reliability and performance in demanding environments. Designed to meet the Japanese Industrial Standards (JIS), these O-rings are manufactured from high-quality BUNA-N (Nitrile) material, known for its exceptional resistance to oils, fuels, and various other chemicals. The precise engineering and careful selection of materials make these O-rings ideal for industries requiring secure seals in automotive, marine, hydraulic, and manufacturing sectors. With a focus on both performance and durability, OneMonroe’s JIS BUNA O-Rings are the perfect choice for applications where robust, long-lasting sealing is essential.
At OneMonroe, quality and consistency are paramount in every product we offer. Our JIS BUNA O-Rings undergo stringent testing and quality assurance procedures to ensure they meet both international standards and the high expectations of our customers. The BUNA-N material used in these O-rings is specially selected for its resilience in extreme temperatures and high-pressure conditions, providing dependable performance in both hot and cold environments. Additionally, OneMonroe’s comprehensive inventory allows us to supply various sizes and specifications of JIS BUNA O-Rings, accommodating both common and unique sealing requirements with ease.
Choosing OneMonroe means selecting a trusted partner in sealing solutions, backed by years of expertise and commitment to excellence. Our JIS BUNA O-Rings provide not only the assurance of high-quality materials but also the peace of mind that comes from using a product engineered for precision and durability. With fast delivery options and a responsive customer support team, OneMonroe is dedicated to providing the best in industrial sealing technology to keep your operations running smoothly and efficiently. Trust OneMonroe’s JIS BUNA O-Rings for a sealing solution that delivers reliable results every time.
For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
Cross Section Width (in)
Cross Section Width (mm)
Durometer
Inside Diameter (mm)
Inside Diameter (in)
                            Item # | 
                        
                            IntegrationID | 
                        
                            Type | 
                        
                            Material | 
                        
                            Cross Section Width | 
                        
                            Durometer | 
                        
                            Inside Diameter | 
                        
                            CSW Tolerance | 
                        
                            ID Tolerance | 
                        
                            JIS Number | 
                        
                            O-Ring Industries | 
                        
                            Product Guides | 
                                                        
|---|---|---|---|---|---|---|---|---|---|---|---|
| S70 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178631  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.079 in2.00 mm | Durometer N/A 70 | Inside Diameter N/A 69.5 mm2.736 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A S-70 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S70 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178632  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.079 in2.00 mm | Durometer N/A 90 | Inside Diameter N/A 69.5 mm2.736 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A S-70 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S71 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178633  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.079 in2.00 mm | Durometer N/A 70 | Inside Diameter N/A 70.50 mm2.776 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A S-71 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S71 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178634  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.079 in2.00 mm | Durometer N/A 90 | Inside Diameter N/A 70.50 mm2.776 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A S-71 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S75 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178635  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.079 in2.00 mm | Durometer N/A 70 | Inside Diameter N/A 74.50 mm2.933 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A S-75 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S75 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178636  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.079 in2.00 mm | Durometer N/A 90 | Inside Diameter N/A 74.50 mm2.933 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A S-75 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S8 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178637  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.059 in1.50 mm | Durometer N/A 70 | Inside Diameter N/A 7.50 mm0.295 in | CSW Tolerance N/A 0.004 in0.08 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A S-8 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S8 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178638  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.059 in1.50 mm | Durometer N/A 90 | Inside Diameter N/A 7.50 mm0.295 in | CSW Tolerance N/A 0.004 in0.08 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A S-8 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S80 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178639  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.079 in2.00 mm | Durometer N/A 70 | Inside Diameter N/A 79.50 mm3.130 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A S-80 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S80 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178640  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.079 in2.00 mm | Durometer N/A 90 | Inside Diameter N/A 79.50 mm3.130 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A S-80 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S85 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178641  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.079 in2.00 mm | Durometer N/A 70 | Inside Diameter N/A 84.50 mm3.327 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A S-85 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries.v | Product Guides N/A Seal Guides | 
| S85 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178642  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.079 in2.00 mm | Durometer N/A 90 | Inside Diameter N/A 84.50 mm3.327 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A S-85 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S9 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178643  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.059 in1.50 mm | Durometer N/A 70 | Inside Diameter N/A 8.50 mm0.335 in | CSW Tolerance N/A 0.004 in0.08 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A S-9 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S9 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178644  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.059 in1.50 mm | Durometer N/A 90 | Inside Diameter N/A 8.50 mm0.335 in | CSW Tolerance N/A 0.004 in0.08 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A S-9 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S90 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178645  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.079 in2.00 mm | Durometer N/A 70 | Inside Diameter N/A 89.50 mm3.524 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A S-90 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S90 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178646  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.079 in2.00 mm | Durometer N/A 90 | Inside Diameter N/A 89.50 mm3.524 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A S-90 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S95 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178647  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.079 in2.00 mm | Durometer N/A 70 | Inside Diameter N/A 94.50 mm3.720 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A S-95 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S95 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178648  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.079 in2.00 mm | Durometer N/A 90 | Inside Diameter N/A 94.50 mm3.720 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A S-95 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| V100 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178649  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.157 in4.00 mm | Durometer N/A 70 | Inside Diameter N/A 99.00 mm3.898 in | CSW Tolerance N/A 0.004 in0.13 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A V-100 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| V100 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178650  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.157 in4.00 mm | Durometer N/A 90 | Inside Diameter N/A 99.00 mm3.898 in | CSW Tolerance N/A 0.004 in0.13 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A V-100 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| V1055 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178651  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.394 in10.00 mm | Durometer N/A 70 | Inside Diameter N/A 1044.00 mm41.102 in | CSW Tolerance N/A 0.012 in0.22 mm | ID Tolerance N/A 0.118 in3.00 mm | JIS Number N/A V-1055 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| V1055 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178652  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.394 in10.00 mm | Durometer N/A 90 | Inside Diameter N/A 1044.00 mm41.102 in | CSW Tolerance N/A 0.012 in0.22 mm | ID Tolerance N/A 0.118 in3.00 mm | JIS Number N/A V-1055 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| V120 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178653  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.157 in4.00 mm | Durometer N/A 70 | Inside Diameter N/A 119.00 mm4.685 in | CSW Tolerance N/A 0.004 in0.13 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A V-120 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| V120 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178654  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.157 in4.00 mm | Durometer N/A 90 | Inside Diameter N/A 119.00 mm4.685 in | CSW Tolerance N/A 0.004 in0.13 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A V-120 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| V15 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178655  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.157 in4.00 mm | Durometer N/A 70 | Inside Diameter N/A 14.5 mm0.571 in | CSW Tolerance N/A 0.004 in0.13 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A V-15 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
 
