The O-Ring, cataloged under National Stock Number 5331-00-054-6950, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 4 specifications, 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-054-6950 |
| Primary Part Number | 546950 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.974 INCHES MINIMUM AND 1.994 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER EPICHLOROHYDRIN HOMOPOLYMER CLASS CO |
| 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 |
|---|---|
| 546950 | Army Weapons Command Attn Amswe-Ree-S (USA) |
NSN 5331-00-054-6950 is a O-Ring, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-054-6950 has 1 manufacturer part number on file: 546950 (Army Weapons Command Attn Amswe-Ree-S).
1 possible match (shared part number, not a government interchangeability claim): 5410-01-333-4719. Verify interchangeability with system specifications before substitution.
Key specifications for 546950: Temp Rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 1.974 INCHES MINIMUM AND 1.994 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER EPICHLOROHYDRIN HOMOPOLYMER CLASS CO. 4 specifications are 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.