Monroe
OneMonroe
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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
G50 B-90 N/A
178256 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 90 N/A 49.40 mm1.945 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-50 N/A O-rings are used in the military defense and agriculture industries.
G55 B-70 N/A
178257 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 70 N/A 54.40 mm2.142 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-55 N/A O-rings are used in the military defense and agriculture industries.
G55 B-90 N/A
178258 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 90 N/A 54.40 mm2.142 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-55 N/A O-rings are used in the military defense and agriculture industries.v
G60 B-70 N/A
178259 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 70 N/A 59.4 mm2.339 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-60 N/A O-rings are used in the military defense and agriculture industries.
G60 B-90 N/A
178260 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 90 N/A 59.4 mm2.339 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-60 N/A O-rings are used in the military defense and agriculture industries.
G65 B-70 N/A
178261 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 70 N/A 64.40 mm2.535 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-65 N/A O-rings are used in the military defense and agriculture industries.
G65 B-90 N/A
178262 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 90 N/A 64.40 mm2.535 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-65 N/A O-rings are used in the military defense and agriculture industries.
G70 B-70 N/A
178263 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 70 N/A 69.4 mm2.732 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-70 N/A O-rings are used in the military defense and agriculture industries.
G70 B-90 N/A
178264 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 90 N/A 69.4 mm2.732 in N/A 0.004 in0.10 mm N/A 0.01 in0.25 mm N/A G-70 N/A O-rings are used in the military defense and agriculture industries.
G75 B-70 N/A
178265 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 70 N/A 74.40 mm2.929 in N/A 0.004 in0.10 mm N/A 0.016 in0.40 mm N/A G-75 N/A O-rings are used in the military defense and agriculture industries.
G75 B-90 N/A
178266 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 90 N/A 74.40 mm2.929 in N/A 0.004 in0.10 mm N/A 0.016 in0.40 mm N/A G-75 N/A O-rings are used in the military defense and agriculture industries.
G80 B-70 N/A
178267 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 70 N/A 79.40 mm3.126 in N/A 0.004 in0.10 mm N/A 0.016 in0.40 mm N/A G-80 N/A O-rings are used in the military defense and agriculture industries.
G80 B-90 N/A
178268 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 90 N/A 79.40 mm3.126 in N/A 0.004 in0.10 mm N/A 0.016 in0.40 mm N/A G-80 N/A O-rings are used in the military defense and agriculture industries.
G85 B-70 N/A
178269 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 70 N/A 84.40 mm3.323 in N/A 0.004 in0.10 mm N/A 0.016 in0.40 mm N/A G-85 N/A O-rings are used in the military defense and agriculture industries.
G85 B-90 N/A
178270 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 90 N/A 84.40 mm3.323 in N/A 0.004 in0.10 mm N/A 0.016 in0.40 mm N/A G-85 N/A O-rings are used in the military defense and agriculture industries.v
G90 B-70 N/A
178271 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 70 N/A 89.40 mm3.520 in N/A 0.004 in0.10 mm N/A 0.016 in0.40 mm N/A G-90 N/A O-rings are used in the military defense and agriculture industries.
G90 B-90 N/A
178272 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 90 N/A 89.40 mm3.520 in N/A 0.004 in0.10 mm N/A 0.016 in0.40 mm N/A G-90 N/A O-rings are used in the military defense and agriculture industries.
G95 B-70 N/A
178273 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 70 N/A 94.40 mm3.717 in N/A 0.004 in0.10 mm N/A 0.016 in0.40 mm N/A G-95 N/A O-rings are used in the military defense and agriculture industries.
G95 B-90 N/A
178274 		N/A JIS Standard O-Ring N/A Buna N/A 0.122 in3.10 mm N/A 90 N/A 94.40 mm3.717 in N/A 0.004 in0.10 mm N/A 0.016 in0.40 mm N/A G-95 N/A O-rings are used in the military defense and agriculture industries.
P10 B-70 N/A
178275 		N/A JIS Standard O-Ring N/A Buna N/A 0.075 in1.90 mm N/A 70 N/A 9.80 mm0.386 in N/A 0.003 in0.09 mm N/A 0.005 in0.12 mm N/A P-10 N/A O-rings are used in the military defense and agriculture industries.
P10 B-90 N/A
178276 		N/A JIS Standard O-Ring N/A Buna N/A 0.075 in1.90 mm N/A 90 N/A 9.80 mm0.386 in N/A 0.003 in0.09 mm N/A 0.005 in0.12 mm N/A P-10 N/A O-rings are used in the military defense and agriculture industries.
P100 B-70 N/A
178277 		N/A JIS Standard O-Ring N/A Buna N/A 0.224 in5.70 mm N/A 70 N/A 99.60 mm3.921 in N/A 0.006 in0.15 mm N/A 0.016 in0.40 mm N/A P-100 N/A O-rings are used in the military defense and agriculture industries.
P100 B-90 N/A
178278 		N/A JIS Standard O-Ring N/A Buna N/A 0.224 in5.70 mm N/A 90 N/A 99.60 mm3.921 in N/A 0.006 in0.15 mm N/A 0.016 in0.40 mm N/A P-100 N/A O-rings are used in the military defense and agriculture industries.
P102 B-70 N/A
178279 		N/A JIS Standard O-Ring N/A Buna N/A 0.224 in5.70 mm N/A 70 N/A 101.60 mm4.000 in N/A 0.006 in0.15 mm N/A 0.016 in0.40 mm N/A P-102 N/A O-rings are used in the military defense and agriculture industries.
P102 B-90 N/A
178280 		N/A JIS Standard O-Ring N/A Buna N/A 0.224 in5.70 mm N/A 90 N/A 101.60 mm4.000 in N/A 0.006 in0.15 mm N/A 0.016 in0.40 mm N/A P-102 N/A O-rings are used in the military defense and agriculture industries.
Unit of Measure
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