The O-Ring, cataloged under National Stock Number 5331-01-481-8081, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-481-8081 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 099897 | 3/9 Design control — primary reference Blackmer System One, Inc. Div Blackmer System One, Inc. |
| 99897 | 5/9 Secondary reference Blackmer System One, Inc. Div Blackmer System One, Inc. |
| 1630608 REVB PT 405 | 5/9 Secondary reference A W Chesterton Co Div Sealing Device Division |
| 099897 | 5/9 Secondary reference A W Chesterton Co Div Sealing Device Division |
NSN 5331-01-481-8081 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
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.