The O-Ring, cataloged under National Stock Number 5331-01-166-5777, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is National Forge Company. 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 | National Forge Company (CAGE 76657) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-166-5777 |
| Primary Part Number | GD243005 FIND 0012 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | National Forge Company |
| 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 |
|---|---|
| GD243005 FIND 0012 PRIMARY | National Forge Company (USA) |
NSN 5331-01-166-5777 is a O-Ring, manufactured by National Forge Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-166-5777 has 1 manufacturer part number on file: GD243005 FIND 0012 (National Forge Company).
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.