The O-Ring, cataloged under National Stock Number 5331-01-658-4454, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Columbus Mckinnon Corp. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-658-4454 |
| Primary Part Number | 10025020 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Columbus Mckinnon Corp |
| Status | ACTIVE |
| Outside Diameter | 0.4375 INCHES NOMINAL IN |
| Color | BLACK |
| Center Hole Diameter | 0.3125 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 |
|---|---|
| 10025020 PRIMARY | Columbus Mckinnon Corp (USA) |
NSN 5331-01-658-4454 is a O-Ring, manufactured by Columbus Mckinnon Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-658-4454 has 1 manufacturer part number on file: 10025020 (Columbus Mckinnon Corp).
Key specifications for 10025020: Outside Diameter: 0.4375 INCHES NOMINAL IN; Color: BLACK; Center Hole Diameter: 0.3125 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: O RING. 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.