The O-Ring, cataloged under National Stock Number 5331-01-497-1273, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-497-1273 |
| Primary Part Number | 74A320003-2081 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Temp Rating | -20.0 CELSIUS AND 500.0 CELSIUS DEGC |
| Color | BLACK OR BROWN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| 74A320003-2081 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10163896 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5331-01-497-1273 is a O-Ring, manufactured by The Boeing Company Div Defense, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-497-1273 has 1 manufacturer part number on file: 74A320003-2081 (The Boeing Company Div Defense).
Key specifications for 74A320003-2081: Temp Rating: -20.0 CELSIUS AND 500.0 CELSIUS DEGC; Color: BLACK OR BROWN; Special Features: 500X.062X30.000; Part Name Assigned by Controlling Agency: TUBE. 3 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.