Monroe
OneMonroe
Locations Throughout the Country
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Tel: (877) 740-2007
Fax: (800) 453-9683
Email: sales@askmonroe.com
Website: monroeengineering.com
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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.

JIS O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Durometer

Inside Diameter

CSW Tolerance

ID Tolerance

JIS Number

O-Ring Industries

Product Guides

Quantity
S70 B-70 N/A
178631 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 70 N/A 69.5 mm2.736 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-70 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
S70 B-90 N/A
178632 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 69.5 mm2.736 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-70 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
S71 B-70 N/A
178633 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 70 N/A 70.50 mm2.776 in N/A 0.004 in0.09 mm N/A 0.016 in0.40 mm N/A S-71 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
S71 B-90 N/A
178634 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 70.50 mm2.776 in N/A 0.004 in0.09 mm N/A 0.016 in0.40 mm N/A S-71 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
S75 B-70 N/A
178635 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 70 N/A 74.50 mm2.933 in N/A 0.004 in0.09 mm N/A 0.016 in0.40 mm N/A S-75 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
S75 B-90 N/A
178636 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 74.50 mm2.933 in N/A 0.004 in0.09 mm N/A 0.016 in0.40 mm N/A S-75 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
S8 B-70 N/A
178637 		N/A JIS Standard O-Ring N/A Buna N/A 0.059 in1.50 mm N/A 70 N/A 7.50 mm0.295 in N/A 0.004 in0.08 mm N/A 0.006 in0.15 mm N/A S-8 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
S8 B-90 N/A
178638 		N/A JIS Standard O-Ring N/A Buna N/A 0.059 in1.50 mm N/A 90 N/A 7.50 mm0.295 in N/A 0.004 in0.08 mm N/A 0.006 in0.15 mm N/A S-8 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
S80 B-70 N/A
178639 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 70 N/A 79.50 mm3.130 in N/A 0.004 in0.09 mm N/A 0.016 in0.40 mm N/A S-80 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
S80 B-90 N/A
178640 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 79.50 mm3.130 in N/A 0.004 in0.09 mm N/A 0.016 in0.40 mm N/A S-80 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
S85 B-70 N/A
178641 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 70 N/A 84.50 mm3.327 in N/A 0.004 in0.09 mm N/A 0.016 in0.40 mm N/A S-85 N/A O-rings are used in the military defense and agriculture industries.v N/A Seal Guides
S85 B-90 N/A
178642 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 84.50 mm3.327 in N/A 0.004 in0.09 mm N/A 0.016 in0.40 mm N/A S-85 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
S9 B-70 N/A
178643 		N/A JIS Standard O-Ring N/A Buna N/A 0.059 in1.50 mm N/A 70 N/A 8.50 mm0.335 in N/A 0.004 in0.08 mm N/A 0.006 in0.15 mm N/A S-9 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
S9 B-90 N/A
178644 		N/A JIS Standard O-Ring N/A Buna N/A 0.059 in1.50 mm N/A 90 N/A 8.50 mm0.335 in N/A 0.004 in0.08 mm N/A 0.006 in0.15 mm N/A S-9 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
S90 B-70 N/A
178645 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 70 N/A 89.50 mm3.524 in N/A 0.004 in0.09 mm N/A 0.016 in0.40 mm N/A S-90 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
S90 B-90 N/A
178646 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 89.50 mm3.524 in N/A 0.004 in0.09 mm N/A 0.016 in0.40 mm N/A S-90 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
S95 B-70 N/A
178647 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 70 N/A 94.50 mm3.720 in N/A 0.004 in0.09 mm N/A 0.016 in0.40 mm N/A S-95 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
S95 B-90 N/A
178648 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 94.50 mm3.720 in N/A 0.004 in0.09 mm N/A 0.016 in0.40 mm N/A S-95 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
V100 B-70 N/A
178649 		N/A JIS Standard O-Ring N/A Buna N/A 0.157 in4.00 mm N/A 70 N/A 99.00 mm3.898 in N/A 0.004 in0.13 mm N/A 0.016 in0.40 mm N/A V-100 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
V100 B-90 N/A
178650 		N/A JIS Standard O-Ring N/A Buna N/A 0.157 in4.00 mm N/A 90 N/A 99.00 mm3.898 in N/A 0.004 in0.13 mm N/A 0.016 in0.40 mm N/A V-100 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
V1055 B-70 N/A
178651 		N/A JIS Standard O-Ring N/A Buna N/A 0.394 in10.00 mm N/A 70 N/A 1044.00 mm41.102 in N/A 0.012 in0.22 mm N/A 0.118 in3.00 mm N/A V-1055 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
V1055 B-90 N/A
178652 		N/A JIS Standard O-Ring N/A Buna N/A 0.394 in10.00 mm N/A 90 N/A 1044.00 mm41.102 in N/A 0.012 in0.22 mm N/A 0.118 in3.00 mm N/A V-1055 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
V120 B-70 N/A
178653 		N/A JIS Standard O-Ring N/A Buna N/A 0.157 in4.00 mm N/A 70 N/A 119.00 mm4.685 in N/A 0.004 in0.13 mm N/A 0.016 in0.40 mm N/A V-120 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
V120 B-90 N/A
178654 		N/A JIS Standard O-Ring N/A Buna N/A 0.157 in4.00 mm N/A 90 N/A 119.00 mm4.685 in N/A 0.004 in0.13 mm N/A 0.016 in0.40 mm N/A V-120 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
V15 B-70 N/A
178655 		N/A JIS Standard O-Ring N/A Buna N/A 0.157 in4.00 mm N/A 70 N/A 14.5 mm0.571 in N/A 0.004 in0.13 mm N/A 0.006 in0.15 mm N/A V-15 N/A O-rings are used in the military defense and agriculture industries. N/A Seal Guides
Unit of Measure
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