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

Quantity
S46 B-90 N/A
178606 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 45.5 mm1.791 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-46 N/A O-rings are used in the military defense and agriculture industries.
S48 B-70 N/A
178607 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 70 N/A 47.50 mm1.870 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-48 N/A O-rings are used in the military defense and agriculture industries.
S48 B-90 N/A
178608 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 47.50 mm1.870 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-48 N/A O-rings are used in the military defense and agriculture industries.
S5 B-70 N/A
178609 		N/A JIS Standard O-Ring N/A Buna N/A 0.059 in1.50 mm N/A 70 N/A 4.50 mm0.177 in N/A 0.004 in0.08 mm N/A 0.006 in0.15 mm N/A S-5 N/A O-rings are used in the military defense and agriculture industries.
S5 B-90 N/A
178610 		N/A JIS Standard O-Ring N/A Buna N/A 0.059 in1.50 mm N/A 90 N/A 4.50 mm0.177 in N/A 0.004 in0.08 mm N/A 0.006 in0.15 mm N/A S-5 N/A O-rings are used in the military defense and agriculture industries.
S50 B-70 N/A
178611 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 70 N/A 49.50 mm1.949 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-50 N/A O-rings are used in the military defense and agriculture industries.
S50 B-90 N/A
178612 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 49.50 mm1.949 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-50 N/A O-rings are used in the military defense and agriculture industries.
S53 B-70 N/A
178613 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 70 N/A 52.50 mm2.067 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-53 N/A O-rings are used in the military defense and agriculture industries.
S53 B-90 N/A
178614 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 52.50 mm2.067 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-53 N/A O-rings are used in the military defense and agriculture industries.
S55 B-70 N/A
178615 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 70 N/A 54.50 mm2.146 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-55 N/A O-rings are used in the military defense and agriculture industries.v
S55 B-90 N/A
178616 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 54.50 mm2.146 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-55 N/A O-rings are used in the military defense and agriculture industries.
S56 B-70 N/A
178617 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 70 N/A 55.50 mm2.185 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-56 N/A O-rings are used in the military defense and agriculture industries.
S56 B-90 N/A
178618 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 55.50 mm2.185 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-56 N/A O-rings are used in the military defense and agriculture industries.
S6 B-70 N/A
178619 		N/A JIS Standard O-Ring N/A Buna N/A 0.059 in1.50 mm N/A 70 N/A 5.50 mm0.217 in N/A 0.004 in0.08 mm N/A 0.006 in0.15 mm N/A S-6 N/A O-rings are used in the military defense and agriculture industries.
S6 B-90 N/A
178620 		N/A JIS Standard O-Ring N/A Buna N/A 0.059 in1.50 mm N/A 90 N/A 5.50 mm0.217 in N/A 0.004 in0.08 mm N/A 0.006 in0.15 mm N/A S-6 N/A O-rings are used in the military defense and agriculture industries.
S60 B-70 N/A
178621 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 70 N/A 59.50 mm2.343 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-60 N/A O-rings are used in the military defense and agriculture industries.
S60 B-90 N/A
178622 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 59.50 mm2.343 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-60 N/A O-rings are used in the military defense and agriculture industries.
S63 B-70 N/A
178623 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 70 N/A 62.50 mm2.461 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-63 N/A O-rings are used in the military defense and agriculture industries.
S63 B-90 N/A
178624 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 62.50 mm2.461 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-63 N/A O-rings are used in the military defense and agriculture industries.
S65 B-70 N/A
178625 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 70 N/A 64.5 mm2.539 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-65 N/A O-rings are used in the military defense and agriculture industries.
S65 B-90 N/A
178626 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 64.5 mm2.539 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-65 N/A O-rings are used in the military defense and agriculture industries.
S67 B-70 N/A
178627 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 70 N/A 66.50 mm2.618 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-67 N/A O-rings are used in the military defense and agriculture industries.v
S67 B-90 N/A
178628 		N/A JIS Standard O-Ring N/A Buna N/A 0.079 in2.00 mm N/A 90 N/A 66.50 mm2.618 in N/A 0.004 in0.09 mm N/A 0.01 in0.25 mm N/A S-67 N/A O-rings are used in the military defense and agriculture industries.
S7 B-70 N/A
178629 		N/A JIS Standard O-Ring N/A Buna N/A 0.059 in1.50 mm N/A 70 N/A 6.50 mm0.256 in N/A 0.004 in0.08 mm N/A 0.006 in0.15 mm N/A S-7 N/A O-rings are used in the military defense and agriculture industries.
S7 B-90 N/A
178630 		N/A JIS Standard O-Ring N/A Buna N/A 0.059 in1.50 mm N/A 90 N/A 6.50 mm0.256 in N/A 0.004 in0.08 mm N/A 0.006 in0.15 mm N/A S-7 N/A O-rings are used in the military defense and agriculture industries.
Unit of Measure
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