The O-Ring, cataloged under National Stock Number 5331-01-731-6088, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sealing Devices Inc. Dba Sealing Devices Inc. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Sealing Devices Inc. Dba Sealing Devices Inc (CAGE 4H712); United Seal & Rubber Company, Inc. Dba United Seal & Rubber Co Inc (CAGE 4R096); Lockheed Martin Corporation (CAGE 04939) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-731-6088 |
| Primary Part Number | 797256649-002 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sealing Devices Inc. Dba Sealing Devices 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 |
|---|---|
| 797256649-002 PRIMARY | Sealing Devices Inc. Dba Sealing Devices Inc (USA) |
| 797256649-002 PRIMARY | United Seal & Rubber Company, Inc. Dba United Seal & Rubber Co Inc (USA) |
| 797256649-002 PRIMARY | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 797256649 | D/9 Drawing number reference only Lockheed Martin Corporation |
NSN 5331-01-731-6088 is a O-Ring, manufactured by Sealing Devices Inc. Dba Sealing Devices Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-731-6088 has 3 manufacturer part numbers on file: 797256649-002 (Sealing Devices Inc. Dba Sealing Devices Inc), 797256649-002 (United Seal & Rubber Company, Inc. Dba United Seal & Rubber Co Inc), 797256649-002 (Lockheed Martin Corporation).
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.