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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| S12 B-70 | IntegrationID                                                    
 N/A 178531 | 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 11.50 mm0.453 in | CSW Tolerance N/A 0.004 in0.08 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A S-12 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S12 B-90 | IntegrationID                                                    
 N/A 178532 | 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 11.50 mm0.453 in | CSW Tolerance N/A 0.004 in0.08 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A S-12 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S12.5 B-70 | IntegrationID                                                    
 N/A 178533 | 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 12.00 mm0.472 in | CSW Tolerance N/A 0.004 in0.08 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A S-12.5 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries.v | Product Guides N/A Seal Guides | 
| S12.5 B-90 | IntegrationID                                                    
 N/A 178534 | 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 12.00 mm0.472 in | CSW Tolerance N/A 0.004 in0.08 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A S-12.5 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S120 B-70 | IntegrationID                                                    
 N/A 178535 | 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 119.50 mm4.705 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A S-120 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S120 B-90 | IntegrationID                                                    
 N/A 178536 | 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 119.50 mm4.705 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A S-120 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S125 B-70 | IntegrationID                                                    
 N/A 178537 | 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 124.50 mm4.902 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A S-125 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S125 B-90 | IntegrationID                                                    
 N/A 178538 | 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 124.50 mm4.902 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.016 in0.40 mm | JIS Number N/A S-125 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S130 B-70 | IntegrationID                                                    
 N/A 178539 | 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 129.50 mm5.098 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A S-130 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S130 B-90 | IntegrationID                                                    
 N/A 178540 | 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 129.50 mm5.098 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A S-130 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S132 B-70 | IntegrationID                                                    
 N/A 178541 | 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 131.50 mm5.177 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A S-132 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S132 B-90 | IntegrationID                                                    
 N/A 178542 | 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 131.50 mm5.177 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A S-132 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S135 B-70 | IntegrationID                                                    
 N/A 178543 | 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 134.50 mm5.295 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A S-135 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S135 B-90 | IntegrationID                                                    
 N/A 178544 | 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 134.50 mm5.295 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A S-135 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S14 B-70 | IntegrationID                                                    
 N/A 178545 | 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 13.50 mm0.531 in | CSW Tolerance N/A 0.004 in0.08 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A S-14 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries.v | Product Guides N/A Seal Guides | 
| S14 B-90 | IntegrationID                                                    
 N/A 178546 | 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 13.50 mm0.531 in | CSW Tolerance N/A 0.004 in0.08 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A S-14 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S140 B-70 | IntegrationID                                                    
 N/A 178547 | 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 139.50 mm5.492 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A S-140 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S140 B-90 | IntegrationID                                                    
 N/A 178548 | 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 139.50 mm5.492 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A S-140 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S145 B-70 | IntegrationID                                                    
 N/A 178549 | 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 144.50 mm5.689 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A S-145 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S145 B-90 | IntegrationID                                                    
 N/A 178550 | 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 144.50 mm5.689 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A S-145 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S15 B-70 | IntegrationID                                                    
 N/A 178551 | 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 14.5 mm0.571 in | CSW Tolerance N/A 0.004 in0.08 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A S-15 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S15 B-90 | IntegrationID                                                    
 N/A 178552 | 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 14.5 mm0.571 in | CSW Tolerance N/A 0.004 in0.08 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A S-15 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S150 B-70 | IntegrationID                                                    
 N/A 178553 | 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 149.50 mm5.886 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A S-150 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S150 B-90 | IntegrationID                                                    
 N/A 178554 | 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 149.50 mm5.886 in | CSW Tolerance N/A 0.004 in0.09 mm | ID Tolerance N/A 0.024 in0.60 mm | JIS Number N/A S-150 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| S16 B-70 | IntegrationID                                                    
 N/A 178555 | 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 15.50 mm0.610 in | CSW Tolerance N/A 0.004 in0.08 mm | ID Tolerance N/A 0.006 in0.15 mm | JIS Number N/A S-16 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
 
 

