--- product_id: 508963177 title: "Captain O-Ring ORS Flat Face Hydraulic O-Ring Seal Kit (Buna 90 / BN90-180 Piece Kit)" brand: "captain o-ring" price: "₱7381" currency: PHP in_stock: true category: "Captain O Ring" url: https://www.desertcart.ph/products/508963177-captain-o-ring-ors-flat-face-hydraulic-o-ring-seal store_origin: PH region: Philippines --- # 8 versatile flat face sizes Durable Buna Nitrile 90 durometer 180 precision O-rings Captain O-Ring ORS Flat Face Hydraulic O-Ring Seal Kit (Buna 90 / BN90-180 Piece Kit) **Brand:** captain o-ring **Price:** ₱7381 **Availability:** ✅ In Stock ## Summary > 🔧 Seal your success with precision and confidence! ## Quick Answers - **What is this?** Captain O-Ring ORS Flat Face Hydraulic O-Ring Seal Kit (Buna 90 / BN90-180 Piece Kit) by captain o-ring - **How much does it cost?** ₱7381 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/508963177-captain-o-ring-ors-flat-face-hydraulic-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 - • **Complete 180-Piece Kit:** All essential ORS flat face sizes in one sleek organizer for instant readiness. - • **Trusted Industry Standard:** Backed by decades of Captain O-Ring expertise and a 1-year warranty. - • **Premium Buna Nitrile Material:** Engineered for superior resistance to hydraulic fluids and low-temp flexibility. - • **Effortless Size Identification:** Clear size chart and shatterproof Flambeau case streamline your workflow. - • **Optimized for Hydraulic Sealing:** Perfectly crafted for ORS flat face hydraulic fittings to prevent leaks and downtime. ## Overview The Captain O-Ring ORS Flat Face Hydraulic O-Ring Seal Kit offers 180 high-quality Buna Nitrile (90 durometer) O-rings across 8 essential flat face sizes, designed specifically for hydraulic sealing applications. Packaged in a durable, organized Flambeau case with a clear size chart, this kit ensures quick, reliable maintenance and repair. Manufactured in the USA by Captain O-Ring LLC, it comes with a 1-year warranty, making it the go-to choice for professionals demanding durability and precision. ## Description Captain O-Ring's 180 Piece ORS Hydraulic Buna90 (BN90) O-Ring Kit includes 8 sizes and 180 total o-rings. The kit includes #4 (1/4" Flat Face), #6 (3/8" Flat Face), #8 (1/2" Flat Face), #10 (5/8" Flat Face), #12 (3/4" Flat Face), #16 (1" Flat Face), #20 (1-1/4" Flat Face), and #24 (1-1/2" Flat Face) o-rings. This kit contains o-rings made of Buna Nitrile (90 durometer) material, also known as BN90 or NBR90. Buna 90 is a common material used in ORS Flat Face seal applications due to its resistance to many hydraulic fluids and its flexability/sealability in low temperatures. The included size chart on the front of the kit makes sizing up o-rings quick and effortless. O-Rings are conveniently sorted by size in a shatterproof Flambeau divider box. What to expect: This item includes 180 O-Rings in a Flambeau plastic divider case with "Captain O-Ring" branded packaging. Manufactured and warrantied against defect for one year by Captain O-Ring LLC. "Captain O-Ring" is a registered trademark of Captain O-Ring LLC. Note: These are round o-rings used in ORS Flat Face Fittings. The o-rings themselves are round and not flat. ## Features - Includes high quality Buna Nitrile (90 durometer) o-rings - Includes #4 (1/4" Flat Face), #6 (3/8" Flat Face), #8 (1/2" Flat Face), #10 (5/8" Flat Face), #12 (3/4" Flat Face), #16 (1" Flat Face), #20 (1-1/4" Flat Face), and #24 (1-1/2" Flat Face) o-rings - Used in sealing ORS Flat Face Hydraulic Fittings in hydraulic equipment - Manufactured and Warrantied by Captain O-Ring LLC, with decades in a sealing and chemical industry ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07B8WN9QS | | Best Sellers Rank | 97,775 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 368 in O-Rings | | Brand | Captain O-Ring | | Colour | Black O-Rings | | Country Of Origin | USA | | Customer Reviews | 4.7 4.7 out of 5 stars (378) | | EU Spare Part Availability Duration | 1 Years | | Manufacturer | Captain O-Ring LLC | | Manufacturer Part Number | ORSKIT-180pcBN90 | | Material | VITON 90 (255 Piece Kit) | | Model Number | ORSKIT-180pcBN90 | | Number of Items | 1 | | Number of Pieces | 180 | | Set Name | Captain O-Ring 180 Piece ORS Hydraulic Buna90 (BN90) O-Ring Kit | | Temperature Range | -4E+1 Degrees Celsius | | Unit Count | 1.0 count | ## Product Details - **Brand:** Captain O-Ring - **Colour:** Black O-Rings - **EU Spare Part Availability Duration:** 1 Years - **Material:** VITON 90 (255 Piece Kit) - **Temperature range:** -4E+1 Degrees Celsius ## Images ![Captain O-Ring ORS Flat Face Hydraulic O-Ring Seal Kit (Buna 90 / BN90-180 Piece Kit) - Image 1](https://m.media-amazon.com/images/I/51ZDA-n9adL.jpg) ![Captain O-Ring ORS Flat Face Hydraulic O-Ring Seal Kit (Buna 90 / BN90-180 Piece Kit) - Image 2](https://m.media-amazon.com/images/I/51lGSEuJ-4L.jpg) ![Captain O-Ring ORS Flat Face Hydraulic O-Ring Seal Kit (Buna 90 / BN90-180 Piece Kit) - Image 3](https://m.media-amazon.com/images/I/51jvsjGfxgL.jpg) ![Captain O-Ring ORS Flat Face Hydraulic O-Ring Seal Kit (Buna 90 / BN90-180 Piece Kit) - Image 4](https://m.media-amazon.com/images/I/51rXRfSNxkL.jpg) ![Captain O-Ring ORS Flat Face Hydraulic O-Ring Seal Kit (Buna 90 / BN90-180 Piece Kit) - Image 5](https://m.media-amazon.com/images/I/41dQRy7XFUL.jpg) ## Questions & Answers **Q: Hi, I have a corbin series 100 hydraulic door closer that leaks oil from the arm spindle, can I use this o-rings to reseal it?** A: Hello. If that device uses ORS/ORFS hydraulic fittings, then this would work for it. You may be able to look in the product's manual for information on the o-rings. Feel free to contact Captain O-Ring directly if you're able to find a part number or specs in the manual. We'd be happy to help with it. **Q: Is the width of these O-rings 0.07 inches?** A: Hello. Yes, that is the standard cross section (width) for ORS/ORFS o-rings. :-) ## Frequently Bought Together - Captain O-Ring ORS/ORFS (for Flat Face Fittings) Hydraulic O-Ring Seal Kit (Buna 90 / BN90-180 Piece Kit) - Captain O-Ring - ORB BOSS Hydraulic Fitting SAE 900 O-Ring Seal Kit (Buna-N 70-255 Piece Kit, 12 Sizes) - XBVV 1540 Pcs 32 Size O-Rings Kit Nitrile Rubber O Ring Assortment with 4 Hook Set for Various Car Auto Vehicle Repair Plumbing Pressure Washer Air or Gas Sealing Connections Resist Oil and Heat --- ## 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.ph/products/508963177-captain-o-ring-ors-flat-face-hydraulic-o-ring-seal](https://www.desertcart.ph/products/508963177-captain-o-ring-ors-flat-face-hydraulic-o-ring-seal) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-09-10*