
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.
 
            | Item # | IntegrationID | Type | Material | Cross Section Width | Durometer | Inside Diameter | CSW Tolerance | ID Tolerance | JIS Number | O-Ring Industries | Product Guides | Quantity | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| V55 B-70 | N/A 178681 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.157 in4.00 mm | N/A 70 | N/A 54.50 mm2.146 in | N/A 0.004 in0.13 mm | N/A 0.01 in0.25 mm | N/A V-55 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V55 B-90 | N/A 178682 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.157 in4.00 mm | N/A 90 | N/A 54.50 mm2.146 in | N/A 0.004 in0.13 mm | N/A 0.01 in0.25 mm | N/A V-55 | N/A O-rings are used in the military defense and agriculture industries.v | N/A Seal Guides | |
| V585 B-70 | N/A 178683 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.394 in10.00 mm | N/A 70 | N/A 579.00 mm22.795 in | N/A 0.012 in0.22 mm | N/A 0.063 in1.60 mm | N/A V-585 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V585 B-90 | N/A 178684 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.394 in10.00 mm | N/A 90 | N/A 579.00 mm22.795 in | N/A 0.012 in0.22 mm | N/A 0.063 in1.60 mm | N/A V-585 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V640 B-70 | N/A 178685 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.394 in10.00 mm | N/A 70 | N/A 633.5 mm24.941 in | N/A 0.012 in0.22 mm | N/A 0.063 in1.60 mm | N/A V-640 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V640 B-90 | N/A 178686 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.394 in10.00 mm | N/A 90 | N/A 633.5 mm24.941 in | N/A 0.012 in0.22 mm | N/A 0.063 in1.60 mm | N/A V-640 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V690 B-70 | N/A 178687 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.394 in10.00 mm | N/A 70 | N/A 683.00 mm26.890 in | N/A 0.012 in0.22 mm | N/A 0.063 in1.60 mm | N/A V-690 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V690 B-90 | N/A 178688 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.394 in10.00 mm | N/A 90 | N/A 683.00 mm26.890 in | N/A 0.012 in0.22 mm | N/A 0.063 in1.60 mm | N/A V-690 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V70 B-70 | N/A 178689 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.157 in4.00 mm | N/A 70 | N/A 69.00 mm2.717 in | N/A 0.004 in0.13 mm | N/A 0.01 in0.25 mm | N/A V-70 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V70 B-90 | N/A 178690 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.157 in4.00 mm | N/A 90 | N/A 69.00 mm2.717 in | N/A 0.004 in0.13 mm | N/A 0.01 in0.25 mm | N/A V-70 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V740 B-70 | N/A 178691 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.394 in10.00 mm | N/A 70 | N/A 732.50 mm28.839 in | N/A 0.012 in0.22 mm | N/A 0.079 in2.00 mm | N/A V-740 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V740 B-90 | N/A 178692 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.394 in10.00 mm | N/A 90 | N/A 732.50 mm28.839 in | N/A 0.012 in0.22 mm | N/A 0.079 in2.00 mm | N/A V-740 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V790 B-70 | N/A 178693 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.394 in10.00 mm | N/A 70 | N/A 782.00 mm30.787 in | N/A 0.012 in0.22 mm | N/A 0.079 in2.00 mm | N/A V-790 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V790 B-90 | N/A 178694 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.394 in10.00 mm | N/A 90 | N/A 782.00 mm30.787 in | N/A 0.012 in0.22 mm | N/A 0.079 in2.00 mm | N/A V-790 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V845 B-70 | N/A 178695 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.394 in10.00 mm | N/A 70 | N/A 836.50 mm32.933 in | N/A 0.012 in0.22 mm | N/A 0.079 in2.00 mm | N/A V-845 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V845 B-90 | N/A 178696 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.394 in10.00 mm | N/A 90 | N/A 836.50 mm32.933 in | N/A 0.012 in0.22 mm | N/A 0.079 in2.00 mm | N/A V-845 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V85 B-70 | N/A 178697 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.157 in4.00 mm | N/A 70 | N/A 84.00 mm3.307 in | N/A 0.004 in0.13 mm | N/A 0.016 in0.40 mm | N/A V-85 | N/A O-rings are used in the military defense and agriculture industries.v | N/A Seal Guides | |
| V85 B-90 | N/A 178698 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.157 in4.00 mm | N/A 90 | N/A 84.00 mm3.307 in | N/A 0.004 in0.13 mm | N/A 0.016 in0.40 mm | N/A V-85 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V950 B-70 | N/A 178699 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.394 in10.00 mm | N/A 70 | N/A 940.50 mm37.028 in | N/A 0.012 in0.22 mm | N/A 0.098 in2.50 mm | N/A V-950 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | |
| V950 B-90 | N/A 178700 | N/A JIS Standard O-Ring | N/A Buna | N/A 0.394 in10.00 mm | N/A 90 | N/A 940.50 mm37.028 in | N/A 0.012 in0.22 mm | N/A 0.098 in2.50 mm | N/A V-950 | N/A O-rings are used in the military defense and agriculture industries. | N/A Seal Guides | 
