The O-Ring, cataloged under National Stock Number 5331-01-447-4136, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Defense Maritime Solutions, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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) |
| Manufacturers | Defense Maritime Solutions, Inc. (CAGE 0EYA6) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-447-4136 |
| Primary Part Number | AM1290P625 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Defense Maritime Solutions, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| AM1290P625 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| AM1290 | 5/9 Secondary reference Wartsila Lips Inc |
| US71149 ITEM H71149-8-7 | 5/9 Secondary reference Wartsila Lips Inc |
| AM1290 | 5/9 Secondary reference Defense Maritime Solutions, Inc. |
NSN 5331-01-447-4136 is a O-Ring, manufactured by Defense Maritime Solutions, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-447-4136 has 1 manufacturer part number on file: AM1290P625 (Defense Maritime Solutions, Inc.).
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.