The O-Ring, cataloged under National Stock Number 5331-01-592-4489, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-592-4489 |
| Primary Part Number | M83461/2-905 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Temp Rating | 275.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Specification/standard Data | 81349-AS83461/2 GOVERNMENT SPECIFICATION |
| Center Hole Diameter | 0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| M83461/2-905 PRIMARY | Lockheed Martin Corporation (USA) |
NSN 5331-01-592-4489 is a O-Ring, manufactured by Lockheed Martin Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-592-4489 has 1 manufacturer part number on file: M83461/2-905 (Lockheed Martin Corporation).
Key specifications for M83461/2-905: Temp Rating: 275.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Specification/standard Data: 81349-AS83461/2 GOVERNMENT SPECIFICATION; Special Features: PETROLEUM HYDRAULIC RESISTANT FLUID RESISTANT. 5 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.