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
P215 B-90 N/A
178356 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 214.5 mm8.445 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-215 N/A O-rings are used in the military defense and agriculture industries.
P22 B-70 N/A
178357 		N/A JIS Standard O-Ring N/A Buna N/A 0.094 in2.40 mm N/A 70 N/A 21.80 mm0.858 in N/A 0.003 in0.09 mm N/A 0.006 in0.15 mm N/A P-22 N/A O-rings are used in the military defense and agriculture industries.
P22 B-90 N/A
178358 		N/A JIS Standard O-Ring N/A Buna N/A 0.094 in2.40 mm N/A 90 N/A 21.80 mm0.858 in N/A 0.003 in0.09 mm N/A 0.006 in0.15 mm N/A P-22 N/A O-rings are used in the military defense and agriculture industries.
P22.4 B-70 N/A
178359 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 70 N/A 22.10 mm0.870 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-22.4 N/A O-rings are used in the military defense and agriculture industries.
P22.4 B-90 N/A
178360 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 90 N/A 22.10 mm0.870 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-22.4 N/A O-rings are used in the military defense and agriculture industries.v
P220 B-70 N/A
178361 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 219.5 mm8.642 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-220 N/A O-rings are used in the military defense and agriculture industries.
P220 B-90 N/A
178362 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 219.5 mm8.642 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-220 N/A O-rings are used in the military defense and agriculture industries.
P225 B-70 N/A
178363 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 224.5 mm8.839 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-225 N/A O-rings are used in the military defense and agriculture industries.
P225 B-90 N/A
178364 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 224.5 mm8.839 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-225 N/A O-rings are used in the military defense and agriculture industries.
P22A B-70 N/A
178365 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 70 N/A 21.70 mm0.854 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-22A N/A O-rings are used in the military defense and agriculture industries.
P22A B-90 N/A
178366 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 90 N/A 21.70 mm0.854 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-22A N/A O-rings are used in the military defense and agriculture industries.
P230 B-70 N/A
178367 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 229.5 mm9.035 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-230 N/A O-rings are used in the military defense and agriculture industries.
P230 B-90 N/A
178368 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 229.5 mm9.035 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-230 N/A O-rings are used in the military defense and agriculture industries.
P235 B-70 N/A
178369 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 234.5 mm9.232 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-235 N/A O-rings are used in the military defense and agriculture industries.
P235 B-90 N/A
178370 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 234.5 mm9.232 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-235 N/A O-rings are used in the military defense and agriculture industries.
P24 B-70 N/A
178371 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 70 N/A 23.70 mm0.933 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-24 N/A O-rings are used in the military defense and agriculture industries.
P24 B-90 N/A
178372 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 90 N/A 23.70 mm0.933 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-24 N/A O-rings are used in the military defense and agriculture industries.v
P240 B-70 N/A
178373 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 239.5 mm9.429 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-240 N/A O-rings are used in the military defense and agriculture industries.
P240 B-90 N/A
178374 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 239.5 mm9.429 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-240 N/A O-rings are used in the military defense and agriculture industries.
P245 B-70 N/A
178375 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 244.5 mm9.626 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-245 N/A O-rings are used in the military defense and agriculture industries.
P245 B-90 N/A
178376 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 244.5 mm9.626 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-245 N/A O-rings are used in the military defense and agriculture industries.
P25 B-70 N/A
178377 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 70 N/A 24.70 mm0.972 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-25 N/A O-rings are used in the military defense and agriculture industries.
P25 B-90 N/A
178378 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 90 N/A 24.70 mm0.972 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-25 N/A O-rings are used in the military defense and agriculture industries.
P25.5 B-70 N/A
178379 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 70 N/A 25.20 mm0.992 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-25.5 N/A O-rings are used in the military defense and agriculture industries.
P25.5 B-90 N/A
178380 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 90 N/A 25.20 mm0.992 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-25.5 N/A O-rings are used in the military defense and agriculture industries.
Unit of Measure
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