The O-Ring, cataloged under National Stock Number 5331-00-985-3574, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Div Corp. Government technical data includes 6 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 | 5331-00-985-3574 |
| Primary Part Number | 287-1166P132 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Temp Rating | -40.0 CELSIUS AND 85.0 CELSIUS DEGC |
| Cross-Sectional Height | 0.125 INCHES NOMINAL IN |
| Hardness Rating | 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM |
| Color | BLACK |
| Center Hole Diameter | 4.375 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 287-1166P132 PRIMARY | Raytheon Company Div Corp (USA) |
NSN 5331-00-985-3574 is a O-Ring, manufactured by Raytheon Company Div Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-985-3574 has 1 manufacturer part number on file: 287-1166P132 (Raytheon Company Div Corp).
Key specifications for 287-1166P132: Temp Rating: -40.0 CELSIUS AND 85.0 CELSIUS DEGC; Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Hardness Rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM; Color: BLACK. 6 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.