The O-Ring, cataloged under National Stock Number 5331-01-683-8275, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-Ring (FSG 53) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-683-8275 |
| Primary Part Number | AS3581-903 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS3581-903 | Naval Sea Systems Command (USA) |
| 8598317 ITEM 51 | Naval Sea Systems Command (USA) |
| AS3581-903D7 | Naval Inventory Control Point Mechanicsburg (USA) |
| 8598317 ITEM 51D7 | Naval Inventory Control Point Mechanicsburg (USA) |
NSN 5331-01-683-8275 is a O-Ring, manufactured by Naval Sea Systems Command, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-683-8275 has 4 cross-referenced part numbers: AS3581-903 (Naval Sea Systems Command), 8598317 ITEM 51 (Naval Sea Systems Command), AS3581-903D7 (Naval Inventory Control Point Mechanicsburg), 8598317 ITEM 51D7 (Naval Inventory Control Point Mechanicsburg).
There are 2 known substitutes for 5331-01-683-8275: 5331-01-011-4057, 5331-01-521-3405. Verify interchangeability with system specifications before substitution.