The O-Ring, cataloged under National Stock Number 5331-01-418-9716, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 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 | 5331-01-418-9716 |
| Primary Part Number | 5260002 |
| 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 |
|---|---|
| 5260002 PRIMARY | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 5260002 | 5/9 Secondary reference Concentric Rockford Inc |
NSN 5331-01-418-9716 is a O-Ring, manufactured by The Entwistle Company Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-418-9716 has 1 manufacturer part number on file: 5260002 (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.