The O-Ring, cataloged under National Stock Number 5331-01-557-4404, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-557-4404 |
| 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 |
|---|---|
| S909-36-25 | 3/9 Design control — primary reference Man B&w Diesel Inc |
NSN 5331-01-557-4404 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-557-4404: Special Features: FUEL VALVE, SPARE PARTS FOR COOLED FUEL VALVES ONLY; ITEM IS NEW DESIGN; Part Name Assigned by Controlling Agency: SEALING RING; End Item Identification: ENGINE DIESEL 9CYL 19000 BHP; ENGINE DIESEL 9CYL 21100 METRIC BHP. 0 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.