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
P175 B-70 N/A
178331 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 174.50 mm6.870 in N/A 0.006 in0.18 mm N/A 0.024 in0.60 mm N/A P-175 N/A O-rings are used in the military defense and agriculture industries.
P175 B-90 N/A
178332 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 174.50 mm6.870 in N/A 0.006 in0.18 mm N/A 0.024 in0.60 mm N/A P-175 N/A O-rings are used in the military defense and agriculture industries.
P18 B-70 N/A
178333 		N/A JIS Standard O-Ring N/A Buna N/A 0.094 in2.40 mm N/A 70 N/A 17.80 mm0.701 in N/A 0.003 in0.09 mm N/A 0.005 in0.12 mm N/A P-18 N/A O-rings are used in the military defense and agriculture industries.
P18 B-90 N/A
178334 		N/A JIS Standard O-Ring N/A Buna N/A 0.094 in2.40 mm N/A 90 N/A 17.80 mm0.701 in N/A 0.003 in0.09 mm N/A 0.005 in0.12 mm N/A P-18 N/A O-rings are used in the military defense and agriculture industries.v
P180 B-70 N/A
178335 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 179.50 mm7.067 in N/A 0.006 in0.18 mm N/A 0.024 in0.60 mm N/A P-180 N/A O-rings are used in the military defense and agriculture industries.
P180 B-90 N/A
178336 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 179.50 mm7.067 in N/A 0.006 in0.18 mm N/A 0.024 in0.60 mm N/A P-180 N/A O-rings are used in the military defense and agriculture industries.
P185 B-70 N/A
178337 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 184.50 mm7.264 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-185 N/A O-rings are used in the military defense and agriculture industries.
P185 B-90 N/A
178338 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 184.50 mm7.264 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-185 N/A O-rings are used in the military defense and agriculture industries.
P190 B-70 N/A
178339 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 189.50 mm7.461 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-190 N/A O-rings are used in the military defense and agriculture industries.
P190 B-90 N/A
178340 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 189.50 mm7.461 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-190 N/A O-rings are used in the military defense and agriculture industries.
P195 B-70 N/A
178341 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 194.50 mm7.657 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-195 N/A O-rings are used in the military defense and agriculture industries.
P195 B-90 N/A
178342 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 194.50 mm7.657 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-195 N/A O-rings are used in the military defense and agriculture industries.
P20 B-70 N/A
178343 		N/A JIS Standard O-Ring N/A Buna N/A 0.094 in2.40 mm N/A 70 N/A 19.80 mm0.780 in N/A 0.003 in0.09 mm N/A 0.006 in0.15 mm N/A P-20 N/A O-rings are used in the military defense and agriculture industries.
P20 B-90 N/A
178344 		N/A JIS Standard O-Ring N/A Buna N/A 0.094 in2.40 mm N/A 90 N/A 19.80 mm0.780 in N/A 0.003 in0.09 mm N/A 0.006 in0.15 mm N/A P-20 N/A O-rings are used in the military defense and agriculture industries.
P200 B-70 N/A
178345 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 199.5 mm7.854 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-200 N/A O-rings are used in the military defense and agriculture industries.
P200 B-90 N/A
178346 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 199.5 mm7.854 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-200 N/A O-rings are used in the military defense and agriculture industries.v
P205 B-70 N/A
178347 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 204.5 mm8.051 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-205 N/A O-rings are used in the military defense and agriculture industries.
P205 B-90 N/A
178348 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 204.5 mm8.051 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-205 N/A O-rings are used in the military defense and agriculture industries.
P209 B-70 N/A
178349 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 208.5 mm8.209 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-209 N/A O-rings are used in the military defense and agriculture industries.
P209 B-90 N/A
178350 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 208.5 mm8.209 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-209 N/A O-rings are used in the military defense and agriculture industries.
P21 B-70 N/A
178351 		N/A JIS Standard O-Ring N/A Buna N/A 0.094 in2.40 mm N/A 70 N/A 20.80 mm0.819 in N/A 0.003 in0.09 mm N/A 0.006 in0.15 mm N/A P-21 N/A O-rings are used in the military defense and agriculture industries.
P21 B-90 N/A
178352 		N/A JIS Standard O-Ring N/A Buna N/A 0.094 in2.40 mm N/A 90 N/A 20.80 mm0.819 in N/A 0.003 in0.09 mm N/A 0.006 in0.15 mm N/A P-21 N/A O-rings are used in the military defense and agriculture industries.
P210 B-70 N/A
178353 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 209.5 mm8.248 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-210 N/A O-rings are used in the military defense and agriculture industries.
P210 B-90 N/A
178354 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 209.5 mm8.248 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-210 N/A O-rings are used in the military defense and agriculture industries.
P215 B-70 N/A
178355 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 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.
Unit of Measure
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