The O-Ring, cataloged under National Stock Number 5331-01-450-7591, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Concentric Rockford Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Concentric Rockford Inc (CAGE 70763) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-450-7591 |
| Primary Part Number | 2120024 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Concentric Rockford Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 2120024 PRIMARY | Concentric Rockford Inc (USA) |
NSN 5331-01-450-7591 is a O-Ring, manufactured by Concentric Rockford Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-450-7591 has 1 manufacturer part number on file: 2120024 (Concentric Rockford Inc).
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.