The O-Ring, cataloged under National Stock Number 5331-01-532-6137, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-532-6137 |
| Primary Part Number | 901-125-621-221 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 901-125-621-221 PRIMARY | The Boeing Company (USA) |
NSN 5331-01-532-6137 is a O-Ring, manufactured by The Boeing Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-532-6137 has 1 manufacturer part number on file: 901-125-621-221 (The Boeing Company).
Key specifications for 901-125-621-221: Criticality Code Justification: FEAT; Special Features: ESSENTIAL TO WEAPON SYSTEM PERFORMANCE OR OPERATION, OR THE PRESERVATION OF LIFE OR SAFETY OF OPERATING PERSONNEL; Part Name Assigned by Controlling Agency: O-RING,OXYGEN CLEAN; End Item Identification: V-22 TILT-ROTOR AIRCRAFT. 1 specification is 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.