The O-Ring, cataloged under National Stock Number 5331-01-487-1691, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Klein Marine Systems Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-487-1691 |
| Primary Part Number | 15900030 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Klein Marine Systems Inc |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 15900030 PRIMARY | Klein Marine Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 10336476 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5331-01-487-1691 is a O-Ring, manufactured by Klein Marine Systems Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-487-1691 has 1 manufacturer part number on file: 15900030 (Klein Marine Systems Inc).
Key specifications for 15900030: Special Features: ASSY,PRESSURE HOUSINGDMB. 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.