The O-Ring, cataloged under National Stock Number 5331-01-601-5499, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is The Entwistle Company Llc. 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 | The Entwistle Company Llc (CAGE 20722) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-601-5499 |
| Primary Part Number | 60371 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | The Entwistle Company Llc |
| 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 |
|---|---|
| 60371 PRIMARY | The Entwistle Company Llc (USA) |
NSN 5331-01-601-5499 is a O-Ring, manufactured by The Entwistle Company Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-601-5499 has 1 manufacturer part number on file: 60371 (The Entwistle Company Llc).
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.