--- product_id: 65921764 title: "Captain O-Ring ORS/ORFS (Flat Face) O-Ring Seal Kit (Buna 90, 180pc Kit)" brand: "captain o-ring" price: "Rp1258814" currency: IDR in_stock: true reviews_count: 9 category: "Captain O Ring" url: https://www.desertcart.id/products/65921764-captain-o-ring-ors-orfs-flat-face-o-ring-seal store_origin: ID region: Indonesia --- # 8 flat face sizes included 180 precision o-rings Made & assembled in USA Captain O-Ring ORS/ORFS (Flat Face) O-Ring Seal Kit (Buna 90, 180pc Kit) **Brand:** captain o-ring **Price:** Rp1258814 **Availability:** ✅ In Stock ## Summary > 🔧 Seal your success with precision and pride! ## Quick Answers - **What is this?** Captain O-Ring ORS/ORFS (Flat Face) O-Ring Seal Kit (Buna 90, 180pc Kit) by captain o-ring - **How much does it cost?** Rp1258814 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.id](https://www.desertcart.id/products/65921764-captain-o-ring-ors-orfs-flat-face-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 Seal Mastery:** 180 high-grade Buna 90 o-rings covering all essential flat face sizes for flawless hydraulic sealing. - • **Durability Meets Performance:** 90 durometer Buna Nitrile material offers superior resistance to wear, temperature, and hydraulic fluids. - • **Proudly American-Made Quality:** Manufactured and warrantied by Captain O-Ring LLC, assembled in the USA for unmatched quality assurance. - • **Trusted Hydraulic Compatibility:** Specifically engineered for ORS/ORFS (SAE J1453) flat face hydraulic fittings—industry standard reliability. - • **Precision-Organized Toolbox Essential:** Sturdy compartment box with life-size size chart ensures quick, error-free o-ring selection on the job. ## Overview The Captain O-Ring ORS/ORFS Seal Kit features 180 premium Buna Nitrile (90 durometer) o-rings in 8 flat face sizes, designed for reliable sealing of ORS/ORFS hydraulic fittings. Packaged in a durable, compartmentalized box with a life-size size chart, this USA-assembled kit is a must-have for professionals demanding quality, durability, and seamless compatibility in hydraulic maintenance. ## Description Product description Captain O-Ring ORS/ORFS (for Flat Face Fittings, O-Ring Face Seal Fittings) Hydraulic O-Ring Seal Kit (Buna 90 / BN90-180 Piece Kit) Includes high quality Buna Nitrile (90 durometer) o-rings. Includes #4 (1/4" Flat Face Fitting), #6 (3/8" Flat Face Fitting), #8 (1/2" Flat Face Fitting), #10 (5/8" Flat Face Fitting), #12 (3/4" Flat Face Fitting), #16 (1" Flat Face Fitting), #20 (1-1/4" Flat Face Fitting), and #24 (1-1/2" Flat Face Fitting) o-rings. Used in sealing ORS/ORFS Flat Face Hydraulic Fittings in hydraulic equipment. Assembled in the USA by Captain O-Ring LLC. 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 flexibility/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 plastic divider case with "Captain O-Ring" branded packaging. Note: These are round o-rings used in ORS Flat Face Fittings. The o-rings themselves are round and not flat. Assembled in the USA! Alternate Part Numbers Convenient ORS/ORFS O-Ring Size Chart Includes a convenient ORS/ORFS o-ring size chart built-in to the front of the case. Simply pull your old o-ring out of your flat-face fitting and size it up to the chart on the case to select the correct ORS/ORFS o-ring size every time! Review: I’ll be using these. They are common o-rings - Seems like good quality o-rings Review: orings - looks good ## 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 / ORFS Flat Face Hydraulic Fittings in hydraulic equipment. Also called O-Ring Face Seal Fittings, and SAE J1453 Fittings. - High quality o-rings organized by size in a sturdy compartment box, with a life-size o-ring size chart featured on the front of the box to easily match up your ORS/ORFS o-ring sizes. The ultimate ORS hydraulic o-ring kit for your toolbox. - Manufactured and Warrantied by Captain O-Ring LLC. Proudly assembled in the USA! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07B8WN9QS | | Best Sellers Rank | #24,276 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #59 in Hydraulic Equipment | | Brand | Captain O-Ring | | Brand Name | Captain O-Ring | | Color | Black O-Rings | | Customer Reviews | 4.7 out of 5 stars 379 Reviews | | EU Spare Part Availability Duration | 1 Years | | Manufacturer | Captain O-Ring LLC | | Material | Buna Nitrile (90 Durometer) | | Material Type | Buna Nitrile (90 Durometer) | | Model | ORSKIT-180pcBN90 | | Number of Pieces | 180 | | Part Number | ORSKIT-180pcBN90 | | Set Name | 8 sizes | | Temperature Range | -4E+1 Degrees Celsius | | Unit Count | 1 Count | ## Product Details - **Brand:** Captain O-Ring - **Color:** Black O-Rings - **Manufacturer:** Captain O-Ring LLC - **Material:** Buna Nitrile (90 Durometer) - **Unit Count:** 1 Count ## Images ![Captain O-Ring ORS/ORFS (Flat Face) O-Ring Seal Kit (Buna 90, 180pc Kit) - Image 1](https://m.media-amazon.com/images/I/71BuhzkKEYL.jpg) ![Captain O-Ring ORS/ORFS (Flat Face) O-Ring Seal Kit (Buna 90, 180pc Kit) - Image 2](https://m.media-amazon.com/images/I/71T85CvgetL.jpg) ![Captain O-Ring ORS/ORFS (Flat Face) O-Ring Seal Kit (Buna 90, 180pc Kit) - Image 3](https://m.media-amazon.com/images/I/71+S3ev6UXL.jpg) ![Captain O-Ring ORS/ORFS (Flat Face) O-Ring Seal Kit (Buna 90, 180pc Kit) - Image 4](https://m.media-amazon.com/images/I/71CtzBqO8SL.jpg) ![Captain O-Ring ORS/ORFS (Flat Face) O-Ring Seal Kit (Buna 90, 180pc Kit) - Image 5](https://m.media-amazon.com/images/I/718nMSVfJDL.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. :-) ## Customer Reviews ### ⭐⭐⭐⭐⭐ I’ll be using these. They are common o-rings *by D***. on March 30, 2026* Seems like good quality o-rings ### ⭐⭐⭐⭐⭐ orings *by S***Y on April 12, 2026* looks good ### ⭐⭐⭐⭐⭐ Fireman *by F***N on January 10, 2026* No more running to the store it’s at my mechanic finger tips as needed ## 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.id/products/65921764-captain-o-ring-ors-orfs-flat-face-o-ring-seal](https://www.desertcart.id/products/65921764-captain-o-ring-ors-orfs-flat-face-o-ring-seal) --- *Product available on Desertcart Indonesia* *Store origin: ID* *Last updated: 2026-06-09*