The O-Ring, cataloged under National Stock Number 5331-01-478-3641, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-478-3641 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Temp Rating | 275.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-P-83461/1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Departure From Cited Document | SPECIAL MATERIAL ID CODE OXY-CLEAN REQUIREMENT |
| Center Hole Diameter | 1.351 INCHES MINIMUM AND 1.377 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| V1D10862 ITEM 13 | 5/1 Secondary reference U.S. Government activity |
| M83461/1-028CP | 5/1 Secondary reference Sae International Dba Sae International |
| M83461/1-028CP | 5/9 Secondary reference U.S. Government activity |
| AW180-028 | 3/1 Design control — primary reference U.S. Government activity |
| M83461/1-028CP | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-478-3641 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-478-3641: Temp Rating: 275.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material Document and Classification: MIL-P-83461/1 MIL SPEC SINGLE MATERIAL RESPONSE; Departure From Cited Document: SPECIAL MATERIAL ID CODE OXY-CLEAN REQUIREMENT. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.