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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| P42 B-90 | IntegrationID                                                    
 N/A 178456 | Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 90 | Inside Diameter N/A 41.70 mm1.642 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-42 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P44 B-70 | IntegrationID                                                    
 N/A 178457 | Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 43.70 mm1.720 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-44 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P44 B-90 | IntegrationID                                                    
 N/A 178458 | Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 90 | Inside Diameter N/A 43.70 mm1.720 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-44 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P45 B-70 | IntegrationID                                                    
 N/A 178459 | Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 44.70 mm1.760 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-45 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P45 B-90 | IntegrationID                                                    
 N/A 178460 | Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 90 | Inside Diameter N/A 44.70 mm1.760 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-45 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P46 B-70 | IntegrationID                                                    
 N/A 178461 | Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 45.70 mm1.799 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-46 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P46 B-90 | IntegrationID                                                    
 N/A 178462 | Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 90 | Inside Diameter N/A 45.70 mm1.799 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-46 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P48 B-70 | IntegrationID                                                    
 N/A 178463 | Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 47.70 mm1.878 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-48 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries.v | Product Guides N/A Seal Guides | 
| P48 B-90 | IntegrationID                                                    
 N/A 178464 | Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 90 | Inside Diameter N/A 47.70 mm1.878 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-48 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P48A B-70 | IntegrationID                                                    
 N/A 178465 | 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 47.60 mm1.874 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-48A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P48A B-90 | IntegrationID                                                    
 N/A 178466 | 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 47.60 mm1.874 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-48A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P49 B-70 | IntegrationID                                                    
 N/A 178467 | Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 48.70 mm1.917 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-49 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P49 B-90 | IntegrationID                                                    
 N/A 178468 | Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 90 | Inside Diameter N/A 48.70 mm1.917 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-49 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P5 B-70 | IntegrationID                                                    
 N/A 178469 | 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 4.80 mm0.189 in | CSW Tolerance N/A 0.003 in0.09 mm | ID Tolerance N/A 0.005 in0.12 mm | JIS Number N/A P-5 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P5 B-90 | IntegrationID                                                    
 N/A 178470 | 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 4.80 mm0.189 in | CSW Tolerance N/A 0.003 in0.09 mm | ID Tolerance N/A 0.005 in0.12 mm | JIS Number N/A P-5 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P50 B-70 | IntegrationID                                                    
 N/A 178471 | Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 70 | Inside Diameter N/A 49.70 mm1.957 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-50 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P50 B-90 | IntegrationID                                                    
 N/A 178472 | Type N/A JIS Standard O-Ring | Material N/A Buna | Cross Section Width N/A 0.138 in3.50 mm | Durometer N/A 90 | Inside Diameter N/A 49.70 mm1.957 in | CSW Tolerance N/A 0.004 in0.10 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-50 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P50A B-70 | IntegrationID                                                    
 N/A 178473 | 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 49.60 mm1.953 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-50A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P50A B-90 | IntegrationID                                                    
 N/A 178474 | 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 49.60 mm1.953 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-50A | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P52 B-70 | IntegrationID                                                    
 N/A 178475 | 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 51.60 mm2.031 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-52 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P52 B-90 | IntegrationID                                                    
 N/A 178476 | 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 51.60 mm2.031 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-52 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P53 B-70 | IntegrationID                                                    
 N/A 178477 | 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 52.6 mm2.071 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-53 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries.v | Product Guides N/A Seal Guides | 
| P53 B-90 | IntegrationID                                                    
 N/A 178478 | 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 52.6 mm2.071 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-53 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P55 B-70 | IntegrationID                                                    
 N/A 178479 | 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 54.60 mm2.150 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-55 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
| P55 B-90 | IntegrationID                                                    
 N/A 178480 | 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 54.60 mm2.150 in | CSW Tolerance N/A 0.006 in0.15 mm | ID Tolerance N/A 0.01 in0.25 mm | JIS Number N/A P-55 | O-Ring Industries N/A O-rings are used in the military defense and agriculture industries. | Product Guides N/A Seal Guides | 
 
 

