The O-Ring, cataloged under National Stock Number 5331-01-201-0161, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kongsberg Maritime Ltd Div Kongsberg Maritime. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Kongsberg Maritime Ltd Div Kongsberg Maritime (CAGE K0189) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-201-0161 |
| Primary Part Number | 1029959 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Kongsberg Maritime Ltd Div Kongsberg Maritime |
| 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 |
|---|---|
| 1029959 PRIMARY | Kongsberg Maritime Ltd Div Kongsberg Maritime (GBR) |
NSN 5331-01-201-0161 is a O-Ring, manufactured by Kongsberg Maritime Ltd Div Kongsberg Maritime, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-201-0161 has 1 manufacturer part number on file: 1029959 (Kongsberg Maritime Ltd Div Kongsberg Maritime).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-238-3946. Verify interchangeability with system specifications before substitution.
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.