The O-Ring, cataloged under National Stock Number 5331-01-722-7543, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Astronautics Corporation of America. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Astronautics Corporation of America (CAGE 10138) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-722-7543 |
| Primary Part Number | 280987-001 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Astronautics Corporation of America |
| 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 |
|---|---|
| 280987-001 PRIMARY | Astronautics Corporation of America (USA) |
| Reference | Meaning |
|---|---|
| 280987 | D/9 Drawing number reference only Astronautics Corporation of America |
NSN 5331-01-722-7543 is a O-Ring, manufactured by Astronautics Corporation of America, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-722-7543 has 1 manufacturer part number on file: 280987-001 (Astronautics Corporation of America).
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.