The O-Ring, cataloged under National Stock Number 5331-01-382-4317, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | American Vulkan Corporation Dba Vulkan Corp (CAGE 60248); Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories (CAGE 02734) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-382-4317 |
| Primary Part Number | 029800140 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories |
| 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 |
|---|---|
| 7029800140 | American Vulkan Corporation Dba Vulkan Corp (USA) |
| 029800140 PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories (USA) |
| Reference | Meaning |
|---|---|
| 7029800140 | 5/9 Secondary reference Din Deutsches Institut Fur Normung Ev |
NSN 5331-01-382-4317 is a O-Ring, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-382-4317 has 2 manufacturer part numbers on file: 7029800140 (American Vulkan Corporation Dba Vulkan Corp), 029800140 (Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories).
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.