The O-Ring, cataloged under National Stock Number 5331-00-279-4344, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5331-00-279-4344 |
| 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) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| M25988/1-232ES | 5/9 Secondary reference Eriks B.v. |
| 10163250 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 3285239+232 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MIL-DTL-25988/1 | 4/1 Identification reference U.S. Government activity |
| MILR25988 | 5/9 Secondary reference U.S. Government activity |
| M25988/1-232 | 2/2 Government specification standardization U.S. Government activity |
| 5331PL0655006 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5331-00-279-4344 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.