The O-Ring, cataloged under National Stock Number 5331-01-393-5630, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-393-5630 |
| Primary Part Number | 9002-00491-68 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems |
| 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 |
|---|---|
| 9002-00491-68 PRIMARY | Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems (USA) |
| Reference | Meaning |
|---|---|
| 5331013935630 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5331-01-393-5630 is a O-Ring, manufactured by Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-393-5630 has 1 manufacturer part number on file: 9002-00491-68 (Borgwarner Thermal Systems Inc. Div Emissions/thermal Systems).
Key specifications for 9002-00491-68: End Item Identification: MRAP - COMMON NSN - USED ON 2 MRAP VARIANTS AND 1 OTHER WEAPON SYSTEM; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS). 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.