The O-Ring, cataloged under National Stock Number 5331-01-560-0882, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Company. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-560-0882 |
| Primary Part Number | 9452K501 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Mcmaster-Carr Supply Company |
| Status | ACTIVE |
| Cross-Sectional Height | 0.250 INCHES NOMINAL IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Color | BLACK |
| Center Hole Diameter | 1.975 INCHES NOMINAL IN |
| 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 |
|---|---|
| 9452K501 PRIMARY | Mcmaster-Carr Supply Company (USA) |
NSN 5331-01-560-0882 is a O-Ring, manufactured by Mcmaster-Carr Supply Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-560-0882 has 1 manufacturer part number on file: 9452K501 (Mcmaster-Carr Supply Company).
Key specifications for 9452K501: Cross-Sectional Height: 0.250 INCHES NOMINAL IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Color: BLACK; Special Features: MATERIAL: BUNA-N (NITRILE);TEMP RANGE -35 DEG TO +250 DEG; OD 2.525". 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.