The Ring,retaining, cataloged under National Stock Number 5325-01-481-7230, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Admiral Filter Company Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-481-7230 |
| Primary Part Number | 690393-3 ITEM NO. 23 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Admiral Filter Company Llc |
| Status | ACTIVE |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE |
| Material | COPPER ALLOY 922 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 690393-3 ITEM NO. 23 PRIMARY | Admiral Filter Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 690393-3 | D/9 Drawing number reference only Admiral Filter Company Llc |
NSN 5325-01-481-7230 is a Ring,retaining, manufactured by Admiral Filter Company Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-481-7230 has 1 manufacturer part number on file: 690393-3 ITEM NO. 23 (Admiral Filter Company Llc).
1 possible match (shared part number, not a government interchangeability claim): 4130-01-482-1536. Verify interchangeability with system specifications before substitution.
Key specifications for 690393-3 ITEM NO. 23: Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE; Special Features: RETAINING RING 1-1/2; End Item Identification: AIR FILTER, COALESCING; Material: COPPER ALLOY 922. 2 specifications are documented in the U.S. Government catalog.
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.