National Stock Number
O-Ring — O-Rings (FSC 5331) · Part No. SAE-AS3581
| National Stock Number | 5331-01-147-0799 |
|---|---|
| Item name | O-Ring |
| Part number (commercial reference) | SAE-AS3581 |
| Alternate references | AS3581-383; M83248/2-383; MIL-R-83248/2; AMS7259D |
| Unit of issue | EA |
| NIIN | 011470799 |
| NIIN assigned by | United States (NCB code 01) |
| Federal Supply Class (FSC) | 5331 — O-Rings |
| Federal Supply Group (FSG) | 53 — Hardware and Abrasives |
| Unit price (USD) | $24.53 |
| Country of origin | Türkiye (Turkey) |
| Lead time | Within 90 days of order |
| Minimum order | May apply — confirm on quote |
| Documentation | Source documentation provided on all orders |
Characteristics decoded from the federal cataloging record for this o-ring. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Cross-Sectional Height | 0.205 Inches Minimum And 0.215 Inches Maximum |
|---|---|
| Hardness Rating | 90.0 Shore Durometer A Nominal |
| Material | Rubber Fluorocarbon Class Fpm |
| Outside Diameter | 14.395 Inches Nominal |
Precision elastomeric sealing rings of circular cross-section used for static and dynamic sealing in grooves and glands.
Price in context. Across the 594 items we currently stock in FSC 5331 (O-Rings), published unit prices run from $0.14 to $3,504.60. At $24.53, this item sits well above the class median of $5.25 — typical of assemblies and higher-value line items in this class.
Stock activity. This item has appeared once in our supplier stock feed, most recently listed 2026-07-10, with a lot quantity of 25 units. Listing activity is a practical signal of ongoing availability; confirm current stock and firm pricing on your quote.
Typical applications. Hydraulic and pneumatic cylinders, fittings, valves, and fluid-power components across all platforms.
Applicable standards. AS568 dash sizes, MIL-P-5510 / SAE AS5857; nitrile, fluorocarbon (Viton), EPDM, and silicone compounds.
NSN 5331-01-147-0799 is supplied by Quick Brown Fox Solutions as a stock resale item. For custom-manufactured or prototype parts to your print, see our U.S.-based CNC machining services.
Country of origin: Türkiye (Turkey). Turkey is a NATO ally and a normal-trade-relations partner of the United States, and Turkish-origin end items are eligible for a wide range of U.S. federal and DLA procurements.
TAA note: Turkey is not a Trade Agreements Act (TAA) designated country, so these items are generally not eligible for TAA-covered solicitations. They are offerable under the Buy American Act and many non-TAA DLA buys. Buyers are responsible for confirming the origin requirements of their specific solicitation.
Full country-of-origin and source documentation is provided with every order. Fulfillment within 90 days of order. Minimum order may apply.
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