The O-Ring, cataloged under National Stock Number 5331-01-542-8091, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Charles Reed Knight Jr Dba Knight's Armament Company. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-Ring (FSG 53) |
| Manufacturers | Charles Reed Knight Jr Dba Knight's Armament Company (CAGE 1S002) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-542-8091 |
| Primary Part Number | 25371 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Charles Reed Knight Jr Dba Knight's Armament Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 25371 PRIMARY | Charles Reed Knight Jr Dba Knight's Armament Company (USA) |
NSN 5331-01-542-8091 is a O-Ring, manufactured by Charles Reed Knight Jr Dba Knight's Armament Company, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-542-8091 has 1 cross-referenced part number: 25371 (Charles Reed Knight Jr Dba Knight's Armament Company).
There are 6 known substitutes for 5331-01-542-8091: 5910-00-196-2502, 3455-00-596-5169, 5950-00-645-4810 and 3 more. Verify interchangeability with system specifications before substitution.