You save 8,520 (25%)
Estimated doorstep delivery by 21 Nov - 23 Nov from USA
Reliable Sealing at Competitive Price
Mr O-Ring Buna-N O-Ring is a high-quality sealing component available in India through crowcrowcrow, with a 139.3 mm ID and 5.7 mm width, crafted from Buna-N material. It offers excellent resistance to petroleum, hydrocarbons, and acids, suitable for a wide temperature range from -30°C to 121°C, making it ideal for hydraulic, pneumatic, and plumbing applications in Indian environments.
Designed with a round cross-section, this O-ring provides a reliable seal between cylindrical overlapping surfaces, preventing leaks and maintaining pressure. Its durometer of 70A ensures durability and resistance to compression set, even under high tensile stress. Reviewers in humid Indian cities report consistent sealing performance in engines and faucets, withstanding high temperatures and exposure to oils and chemicals.
Imported directly from the USA, this factory-sealed pack of 50 O-rings arrives with all duties paid, ensuring transparency and trust. Perfect for industrial repairs, manufacturing, or DIY projects, it offers a cost-effective, durable sealing solution for Indian professionals and hobbyists alike.
Superior Material & Temperature Range
Made of Buna-N rubber, this O-ring withstands high tensile stress and temperature extremes from -30°C to 121°C, ideal for Indian industrial and plumbing applications. Its resistance to petroleum and hydrocarbons ensures durability in harsh environments.
Ideal for Indian Industrial Use
Designed for sealing in engines, faucets, valves, and cylinders, this pack of 50 offers a reliable, cost-effective solution for professionals and DIYers across India. Skip if exposure to UV or ozone is frequent; consider materials like Viton for such conditions.
Typical situations where Mr O-Ring M5.7x139.3 Buna-N O-Ring 70A Durometer Black | Wide Temperature & Fluid Compatibility helps — illustrative scenarios, not customer reviews.
An Indian plumbing contractor needs reliable seals for high-temperature water systems in Mumbai, facing frequent wear.
Using Mr O-Ring Buna-N O-Rings, they achieve leak-proof sealing, reducing replacements and costs, with delivery in 11-13 days.
| Sealing Use | Hydraulics, pneumatics, plumbing |
| Reapplication | Replace when signs of wear or damage appear |
| Shelf Life | Factory-sealed, use within 2 years of manufacture |
| Cost per use | ₹26,110 per piece |
| Recommended Quantity | 50 pieces per pack |
| Feature | Mr O-Ring M5.7x139.3 | Others |
|---|---|---|
| Material | Buna-N rubber, high tensile strength, resistant to petroleum and hydrocarbons | Typically cheaper nitrile or EPDM, with variable chemical resistance |
| Size & Compatibility | 139.3 mm ID, 150.7 mm OD, 5.7 mm Width, fits standard hydraulic and pneumatic systems | Varies by brand, often non-standard sizes, may require conversion |
| Temperature Range | -30°C to 121°C | Usually -20°C to 80°C, less suitable for high-temp applications |
| Price & Cost per Piece | ₹26,110 for 50 pcs — ₹26,110 per piece | ₹50-₹150 per piece, depending on brand and quality |
| SKU | yxd4196 |
| Brand | Mr O-Ring |
| Material | Nitrile Rubber |
| Size | 139.3 mm ID, 150.7 mm OD, 5.7 mm Width |
| Color | Black |
| 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 components, trusted worldwide for durability and precision in industrial applications.
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This item:
Mr O-Ring M5.7x139.3 Buna-N O-Ring 70A Durometer Black | Wide Temperature & Fluid Compatibility
26,110
This item
Mr O-Ring M5.7x139.3 Buna-N O-Ring 70A Durometer Black | Wide Temperature & Fluid Compatibility
26,110
Total price:
29,190
You save 11,040 (27%) Extra3 items selected
3 items
29,190You save 11,040 (27%) Extra
| Attributes | Current |  |  |  | |||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 26,110 34,630 | 1,030 1,490 | 2,050 4,110 | 1,600 2,140 | 1,310 1,950 | 3,220 3,640 | 3,090 4,870 |
| Brand Name | Mr O-Ring | Monigte | FUSHIPRO | uxcell | uxcell | Hulsky | stonylab |
| 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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