The Ring,retaining, cataloged under National Stock Number 5325-01-528-3103, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Florida Aeronautics, Inc Dba Florida Aeronautics, Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-528-3103 |
| Primary Part Number | Q520131 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Florida Aeronautics, Inc Dba Florida Aeronautics, Inc |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| Q520131 PRIMARY | Florida Aeronautics, Inc Dba Florida Aeronautics, Inc (USA) |
| Reference | Meaning |
|---|---|
| 76629 | 5/9 Secondary reference Florida Aeronautics, Inc Dba Florida Aeronautics, Inc |
NSN 5325-01-528-3103 is a Ring,retaining, manufactured by Florida Aeronautics, Inc Dba Florida Aeronautics, Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-528-3103 has 1 manufacturer part number on file: Q520131 (Florida Aeronautics, Inc Dba Florida Aeronautics, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5345-01-625-8622. Verify interchangeability with system specifications before substitution.
Key specifications for Q520131: Part Name Assigned by Controlling Agency: STAINLESS STEEL RING; Material: STEEL CORROSION RESISTING. 1 specification is 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.