The O-Ring, cataloged under National Stock Number 5331-01-510-3253, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Raytheon Company (CAGE 54X10); Raytheon Company Dba Raytheon Co (CAGE 3B150) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-510-3253 |
| Primary Part Number | 4978386-10 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Raytheon Company |
| 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 |
|---|---|
| 4978386-10 | Raytheon Company (USA) |
| 4978386-10 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 4978386-10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-510-3253 is a O-Ring, manufactured by Raytheon Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-510-3253 has 2 manufacturer part numbers on file: 4978386-10 (Raytheon Company), 4978386-10 (Raytheon Company Dba Raytheon Co).
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.