--- product_id: 38397472 title: "Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna 70, 255pc Kit)" brand: "captain o-ring" price: "₨2271" currency: SCR in_stock: true category: "Captain O Ring" url: https://www.desertcart.sc/products/38397472-captain-o-ring-boss-hydraulic-sae-900-o-ring-seal store_origin: SC region: Seychelles --- # 12 sizes neatly organized -40°F to 250°F service range 255 premium Buna-N o-rings Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna 70, 255pc Kit) **Brand:** captain o-ring **Price:** ₨2271 **Availability:** ✅ In Stock ## Summary > 🔧 Seal your success with the ORB BOSS kit – never get caught without the perfect fit! ## Quick Answers - **What is this?** Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna 70, 255pc Kit) by captain o-ring - **How much does it cost?** ₨2271 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/38397472-captain-o-ring-boss-hydraulic-sae-900-o-ring-seal) ## Best For - captain o-ring enthusiasts ## Why This Product - Trusted captain o-ring brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Temperature Tough:** Operates flawlessly from freezing -40°F to scorching 250°F — built for extreme conditions. - • **Effortless Organization:** Smart compartmentalized box with size chart lets you find the perfect o-ring in seconds. - • **All-in-One Precision Kit:** 255 o-rings across 12 essential ORB/BOSS sizes, ready for any hydraulic fitting challenge. - • **Ultimate Seal Confidence:** Premium BN70 Buna-N material ensures unbeatable resistance to oils and hydraulic fluids. - • **Made in the USA, Guaranteed:** Crafted and backed by Captain O-Ring LLC for trusted quality and durability. ## Overview The Captain O-Ring ORB BOSS Hydraulic Fitting SAE 900 O-Ring Seal Kit features 255 high-quality BN70 Buna-N o-rings in 12 sizes, designed for reliable sealing in hydraulic ORB/BOSS fittings. With a wide temperature tolerance from -40°F to 250°F and organized storage, this USA-made kit is essential for professionals demanding durability and precision in hydraulic maintenance. ## Description Captain O-Ring - ORB BOSS Hydraulic Fitting SAE 900 O-Ring Seal Kit (Buna-N 70-255 Piece Kit, 12 Sizes): desertcart.com: Industrial & Scientific ## Features - Includes high quality BN70 (Buna Nitrile 70 durometer) o-rings - the most common o-ring material for hydraulic ORB/BOSS fittings due to it’s excellent sealing ability and resistance to oils and hydraulic fluid. Service temperature of -40F to 250F. - Includes all 12 BOSS/ORB o-ring sizes between -904 to -916. 255 total o-rings. - Used in sealing straight thread tube fittings (ORB / O-Ring Boss Type) in hydraulic equipment - O-Rings are conveniently sorted by size in individual compartments within the divider box with a convenient o-ring size chart included on the kit to quickly and easily size up and identify the o-ring you need. - Manufactured and Warrantied by Captain O-Ring LLC. Proudly assembled in the USA! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01BE5J23K | | Best Sellers Rank | #85,113 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #203 in O-Rings | | Brand Name | Captain O-Ring | | Color | Black | | Customer Reviews | 4.7 4.7 out of 5 stars (174) | | Manufacturer | Captain O-Ring LLC | | Material Type | Nitrile Rubber | | Model | BOSS255-BN70 | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 255 | | Part Number | BOSSKIT-255pcBN70 | | Set Name | 255 Piece ORB / BOSS Hydraulic BN70 O-Ring Kit | | Temperature Range | 2.5E+2 °F | | UPC | 722589526572 | | Unit Count | 1 Count | ## Product Details - **Brand:** Captain O-Ring - **Color:** Black - **Material:** Nitrile Rubber - **Temperature Range:** 2.5E+2 °F - **UPC:** 722589526572 ## Images ![Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna 70, 255pc Kit) - Image 1](https://m.media-amazon.com/images/I/61McUTf2fgL.jpg) ![Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna 70, 255pc Kit) - Image 2](https://m.media-amazon.com/images/I/61IYRERvRSL.jpg) ![Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna 70, 255pc Kit) - Image 3](https://m.media-amazon.com/images/I/717g8TlgbJL.jpg) ![Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna 70, 255pc Kit) - Image 4](https://m.media-amazon.com/images/I/81kE6acXRoL.jpg) ![Captain O-Ring BOSS Hydraulic SAE 900 O-Ring Seal Kit (Buna 70, 255pc Kit) - Image 5](https://m.media-amazon.com/images/I/71BO9vN4TzL.jpg) ## Frequently Bought Together - Captain O-Ring - ORB BOSS Hydraulic Fitting SAE 900 O-Ring Seal Kit (Buna-N 70-255 Piece Kit, 12 Sizes) - Captain O-Ring ORS/ORFS (for Flat Face Fittings) Hydraulic O-Ring Seal Kit (Buna 90 / BN90-180 Piece Kit) - Captain O-Ring Flange Seal (SAE Code 61/62) Hydraulic O-Ring Seal Kit (Buna 90 / BN90-55 Piece Kit) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sc/products/38397472-captain-o-ring-boss-hydraulic-sae-900-o-ring-seal](https://www.desertcart.sc/products/38397472-captain-o-ring-boss-hydraulic-sae-900-o-ring-seal) --- *Product available on Desertcart Seychelles* *Store origin: SC* *Last updated: 2026-08-19*