• JIS O-Rings

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.

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O-Ring Industries

N/A
178381 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 249.5 mm9.823 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-250 N/A O-rings are used in the military defense and agriculture industries.
N/A
178382 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 249.5 mm9.823 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-250 N/A O-rings are used in the military defense and agriculture industries.
N/A
178383 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 254.5 mm10.020 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-255 N/A O-rings are used in the military defense and agriculture industries.
N/A
178384 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 254.5 mm10.020 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-255 N/A O-rings are used in the military defense and agriculture industries.v
N/A
178385 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 70 N/A 25.70 mm1.012 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-26 N/A O-rings are used in the military defense and agriculture industries.
N/A
178386 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 90 N/A 25.70 mm1.012 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-26 N/A O-rings are used in the military defense and agriculture industries.
N/A
178387 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 259.5 mm10.217 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-260 N/A O-rings are used in the military defense and agriculture industries.
N/A
178388 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 259.5 mm10.217 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-260 N/A O-rings are used in the military defense and agriculture industries.
N/A
178389 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 264.5 mm10.413 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-265 N/A O-rings are used in the military defense and agriculture industries.
N/A
178390 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 264.5 mm10.413 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-265 N/A O-rings are used in the military defense and agriculture industries.
N/A
178391 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 269.5 mm10.610 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-270 N/A O-rings are used in the military defense and agriculture industries.
N/A
178392 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 269.5 mm10.610 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-270 N/A O-rings are used in the military defense and agriculture industries.
N/A
178393 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 274.50 mm10.807 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-275 N/A O-rings are used in the military defense and agriculture industries.
N/A
178394 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 274.50 mm10.807 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-275 N/A O-rings are used in the military defense and agriculture industries.
N/A
178395 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 70 N/A 27.70 mm1.091 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-28 N/A O-rings are used in the military defense and agriculture industries.v
N/A
178396 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 90 N/A 27.70 mm1.091 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-28 N/A O-rings are used in the military defense and agriculture industries.
N/A
178397 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 279.50 mm11.004 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-280 N/A O-rings are used in the military defense and agriculture industries.
N/A
178398 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 279.50 mm11.004 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-280 N/A O-rings are used in the military defense and agriculture industries.
N/A
178399 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 284.50 mm11.201 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-285 N/A O-rings are used in the military defense and agriculture industries.
N/A
178400 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 90 N/A 284.50 mm11.201 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-285 N/A O-rings are used in the military defense and agriculture industries.
N/A
178401 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 70 N/A 28.70 mm1.130 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-29 N/A O-rings are used in the military defense and agriculture industries.
N/A
178402 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 90 N/A 28.70 mm1.130 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-29 N/A O-rings are used in the military defense and agriculture industries.
N/A
178403 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 70 N/A 29.20 mm1.150 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-29.5 N/A O-rings are used in the military defense and agriculture industries.
N/A
178404 		N/A JIS Standard O-Ring N/A Buna N/A 0.138 in3.50 mm N/A 90 N/A 29.20 mm1.150 in N/A 0.004 in0.10 mm N/A 0.006 in0.15 mm N/A P-29.5 N/A O-rings are used in the military defense and agriculture industries.
N/A
178405 		N/A JIS Standard O-Ring N/A Buna N/A 0.331 in8.40 mm N/A 70 N/A 289.50 mm11.398 in N/A 0.006 in0.18 mm N/A 0.031 in0.80 mm N/A P-290 N/A O-rings are used in the military defense and agriculture industries.
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