The Ring,retaining, cataloged under National Stock Number 5325-00-441-0703, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 9 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 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 | 5325-00-441-0703 |
| Primary Part Number | 546363 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| End Style | VERTEX CENTER OR ABOVE |
| Material Diameter | 0.028 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.405 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN |
| Inside Diameter | 0.348 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| 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 |
|---|---|
| 546363 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5325-00-441-0703 is a Ring,retaining, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-441-0703 has 1 manufacturer part number on file: 546363 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 5365-00-997-7475. Verify interchangeability with system specifications before substitution.
Key specifications for 546363: Usage Design: INTERNAL; End Style: VERTEX CENTER OR ABOVE; Material Diameter: 0.028 INCHES MINIMUM AND 0.029 INCHES MAXIMUM IN; Cross-Sectional Shape Style: ROUND. 9 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.