The O-Ring, cataloged under National Stock Number 5331-01-445-6455, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Admiral Filter 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Admiral Filter Company Llc (CAGE 25204) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-445-6455 |
| Primary Part Number | 690352 ITEM 5 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Admiral Filter 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 |
|---|---|
| 690352 ITEM 5 PRIMARY | Admiral Filter Company Llc (USA) |
| Reference | Meaning |
|---|---|
| AS568-156 | 5/9 Secondary reference Admiral Filter Company Llc |
NSN 5331-01-445-6455 is a O-Ring, manufactured by Admiral Filter Company Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-445-6455 has 1 manufacturer part number on file: 690352 ITEM 5 (Admiral Filter 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.