The O-Ring, cataloged under National Stock Number 5331-01-181-0821, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. This item has 11 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-Ring (FSG 53) |
| Manufacturers | Parker-Hannifin Corp Div O-Ring Division (CAGE 02697); Zf Industrieantriebe Witten Gmbh (CAGE D9182); Society of Automotive Engineers Inc (CAGE 81343); Young Touchstone Company Div Young Touchstone (CAGE 67049); Jednolity Indeks Materialowy - Uniform Material Index (CAGE 9009H) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-181-0821 |
| Primary Part Number | 3-908N683-70 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | CANCELLED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3-908N683-70 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 8534373 | Zf Industrieantriebe Witten Gmbh (DEU) |
| MIL-G-21610 | Society of Automotive Engineers Inc (USA) |
| 226344 | Young Touchstone Company Div Young Touchstone (USA) |
| ARP568-908MILG2 1610TY1 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 5331PL1326532 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 3-355-8-009-01- 02 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 8534373 | General Motors Corp Harrison Radiator Div (USA) |
| AS568-908 | Society of Automotive Engineers Inc (USA) |
| MIL-G-21610 | Sae International Dba Sae International (USA) |
| AS568-908 | Sae International Dba Sae International (USA) |
NSN 5331-01-181-0821 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-01-181-0821 has 11 cross-referenced part numbers: 3-908N683-70 (Parker-Hannifin Corp Div O-Ring Division), 8534373 (Zf Industrieantriebe Witten Gmbh), MIL-G-21610 (Society of Automotive Engineers Inc), 226344 (Young Touchstone Company Div Young Touchstone), ARP568-908MILG2 1610TY1 (Zf Industrieantriebe Witten Gmbh) and 6 more.
There are 12 known substitutes for 5331-01-181-0821: 5331-00-020-0105, 5331-00-058-1409, 5331-00-058-1410 and 9 more. Verify interchangeability with system specifications before substitution.
NSN 5331-01-181-0821 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.