The O-Ring, cataloged under National Stock Number 5331-01-157-8929, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems Canadacorp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | General Dynamics Land Systems Canadacorp (CAGE 56161) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-157-8929 |
| Primary Part Number | 10505530 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | General Dynamics Land Systems Canadacorp |
| 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 |
|---|---|
| 10505530 PRIMARY | General Dynamics Land Systems Canadacorp (CAN) |
| Reference | Meaning |
|---|---|
| 151.564 | C/1 Advisory reference — outside the item-of-supply concept Webasto Thermo & Comfort North America, Inc. Div Webasto Product North America, Inc |
| 151.564 | 5/9 Secondary reference Webasto Thermosystems Inc |
NSN 5331-01-157-8929 is a O-Ring, manufactured by General Dynamics Land Systems Canadacorp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-157-8929 has 1 manufacturer part number on file: 10505530 (General Dynamics Land Systems Canadacorp).
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-223-0992, 6750-01-427-1438. 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.