The O-Ring, cataloged under National Stock Number 5331-01-163-2308, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Nordam Group Llc, the Div Nordam. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Nordam Group Llc, the Div Nordam (CAGE 29957) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-163-2308 |
| Primary Part Number | 8545775 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Nordam Group Llc, the Div Nordam |
| 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 |
|---|---|
| 8545775 PRIMARY | Nordam Group Llc, the Div Nordam (USA) |
| Reference | Meaning |
|---|---|
| 8545775 | 5/9 Secondary reference General Motors Corp Harrison Radiator Div |
NSN 5331-01-163-2308 is a O-Ring, manufactured by Nordam Group Llc, the Div Nordam, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-163-2308 has 1 manufacturer part number on file: 8545775 (Nordam Group Llc, the Div Nordam).
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.