You save 14,580 (35%)
35% off the seller list price
Estimated doorstep delivery by 14 Nov - 16 Nov from USA
Support Your Sealing Needs with Authentic USA Quality
Mr O-Ring Buna-N O-Ring is a high-quality sealing component available in India through crowcrowcrow, with excellent resistance to petroleum, hydrocarbons, and acids. Its 70A durometer ensures durability in demanding environments, making it ideal for hydraulic, pneumatic, and plumbing applications.
Constructed from Buna-nitrile, this round O-ring provides a reliable seal between cylindrical surfaces, with a temperature tolerance from -30°F to 250°F. Reviewers in humid Indian cities report its effectiveness in high-temperature, oil-rich systems, with minimal leakage over extended use.
Imported directly from the USA, crowcrowcrow ensures all duties are included, with express tracked delivery in 11-13 days. This pack of 50 offers a cost-effective solution for maintenance and repair needs in Indian industries and households.
Premium Buna-N Composition
Made from high-grade Buna-nitrile, this O-ring offers excellent chemical resistance and tensile strength, suitable for petroleum and hydrocarbon sealing in Indian industries. Its 70A hardness ensures durability under high pressure and temperature variations.
Ideal for Indian Industrial & Domestic Use
Designed for sealing in hydraulic, pneumatic, and plumbing systems across Indian climates. Resistant to abrasion and tear, it performs reliably in high-temperature environments, with a proven track record in local maintenance and repair tasks. Skip if you need high ozone resistance—try Viton instead.
Typical situations where Mr O-Ring M5.7x139.6 Buna-N O-Ring 70A Durometer Black | Wide Temp & Fluid Compatibility helps — illustrative scenarios, not customer reviews.
A Mumbai-based plumber needs reliable seals for high-temperature water systems, facing frequent leaks during monsoon season.
Using Mr O-Ring Buna-N O-Rings, the plumber reports no leaks after 6 months, with each pack lasting 2-3 months, saving costs and downtime.
| Sealing Use | Hydraulic, pneumatic, plumbing |
| Recomm. Replacements | Check dimensions before use |
| Shelf Life | Unstated |
| Cost per use | ₹553 per piece |
| Reapplication | Replace when signs of wear appear |
| Contraindications | Avoid use with acetone, ethers, esters |
| Allergens / Irritants | NBR material |
| Feature | Mr O-Ring M5.7x139.6 | Others |
|---|---|---|
| Material Resistance | High tensile Buna-N, resistant to petroleum and hydrocarbons, temperature -30°F to 250°F | Varying quality, often lower chemical resistance, typical temperature up to 100°C |
| Price per Pack | ₹27,670 for 50 pieces | ₹300-₹500 per pack of 10-20 pieces |
| Application Suitability | Hydraulic, pneumatic, plumbing, engine seals | General purpose, some may lack chemical resistance |
| Shelf Life & Durability | Designed for long-term use in demanding environments | Variable, often shorter lifespan |
| SKU | xzd5019 |
| Size | 139.6 mm ID, 151 mm OD, 5.7 mm Width |
| Material | Nitrile Rubber |
| Color | Black |
| Durometer | 70A |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners |
About Mr O-Ring
Mr O-Ring specializes in high-quality sealing solutions, offering a wide range of industrial-grade O-rings sourced from US manufacturers for durability and performance.
Compliance & Legal
This is a support product for sealing applications; no medical or safety claims.
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This item:
Mr O-Ring M5.7x139.6 Buna-N O-Ring 70A Durometer Black | Wide Temp & Fluid Compatibility
27,670
This item
Mr O-Ring M5.7x139.6 Buna-N O-Ring 70A Durometer Black | Wide Temp & Fluid Compatibility
27,670
Total price:
32,920
You save 17,310 (34%) Extra3 items selected
3 items
32,920You save 17,310 (34%) Extra
| Attributes | Current |  |  |  | |||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 27,670 42,250 | 2,040 4,090 | 3,210 3,890 | 1,600 2,140 | 1,310 1,950 | 1,570 1,620 | 18,150 22,080 |
| Brand Name | Mr O-Ring | FUSHIPRO | BUSY-CORNER | uxcell | uxcell | SmartSign | TOA |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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