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 | 
                                                        
|---|---|---|---|---|---|---|---|---|---|---|---|
| G50 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178256  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 90 | Inside Diameter N/A 49.40 mm1.945 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A G-50 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| G55 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178257  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 70 | Inside Diameter N/A 54.40 mm2.142 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A G-55 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| G55 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178258  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 90 | Inside Diameter N/A 54.40 mm2.142 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A G-55 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries.v | Product Guides N/A Seal Guides | 
| G60 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178259  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 70 | Inside Diameter N/A 59.4 mm2.339 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A G-60 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| G60 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178260  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 90 | Inside Diameter N/A 59.4 mm2.339 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A G-60 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| G65 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178261  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 70 | Inside Diameter N/A 64.40 mm2.535 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A G-65 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| G65 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178262  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 90 | Inside Diameter N/A 64.40 mm2.535 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A G-65 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| G70 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178263  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 70 | Inside Diameter N/A 69.4 mm2.732 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A G-70 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| G70 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178264  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 90 | Inside Diameter N/A 69.4 mm2.732 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A G-70 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| G75 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178265  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 70 | Inside Diameter N/A 74.40 mm2.929 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A G-75 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| G75 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178266  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 90 | Inside Diameter N/A 74.40 mm2.929 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A G-75 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| G80 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178267  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 70 | Inside Diameter N/A 79.40 mm3.126 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A G-80 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| G80 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178268  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 90 | Inside Diameter N/A 79.40 mm3.126 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A G-80 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| G85 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178269  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 70 | Inside Diameter N/A 84.40 mm3.323 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A G-85 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| G85 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178270  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 90 | Inside Diameter N/A 84.40 mm3.323 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A G-85 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries.v | Product Guides N/A Seal Guides | 
| G90 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178271  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 70 | Inside Diameter N/A 89.40 mm3.520 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A G-90 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| G90 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178272  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 90 | Inside Diameter N/A 89.40 mm3.520 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A G-90 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| G95 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178273  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 70 | Inside Diameter N/A 94.40 mm3.717 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A G-95 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| G95 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178274  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.122 in3.10 mm | Durometer N/A 90 | Inside Diameter N/A 94.40 mm3.717 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A G-95 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P10 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178275  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.075 in1.90 mm | Durometer N/A 70 | Inside Diameter N/A 9.80 mm0.386 in | CSW Tolerance N/A 0.003 in0.09 mm | ID Tolerance N/A 0.005 in0.12 mm | JIS Number N/A P-10 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P10 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178276  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.075 in1.90 mm | Durometer N/A 90 | Inside Diameter N/A 9.80 mm0.386 in | CSW Tolerance N/A 0.003 in0.09 mm | ID Tolerance N/A 0.005 in0.12 mm | JIS Number N/A P-10 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P100 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178277  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.224 in5.70 mm | Durometer N/A 70 | Inside Diameter N/A 99.60 mm3.921 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A P-100 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P100 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178278  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.224 in5.70 mm | Durometer N/A 90 | Inside Diameter N/A 99.60 mm3.921 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A P-100 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P102 B-70 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178279  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.224 in5.70 mm | Durometer N/A 70 | Inside Diameter N/A 101.60 mm4.000 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A P-102 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P102 B-90 | 
                                    
                                        IntegrationID                                                    
 N/A                                                         178280  | 
                                Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.224 in5.70 mm | Durometer N/A 90 | Inside Diameter N/A 101.60 mm4.000 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A P-102 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
 
