The Ring,retaining, cataloged under National Stock Number 5325-01-172-7167, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-172-7167 |
| Primary Part Number | 75A430625-2001 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Usage Design | EXTERNAL AND INTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Material Diameter | 0.064 INCHES NOMINAL IN |
| Material Document and Classification | QQ-W-321,ALLOY 510 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.090 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN |
| Inside Diameter | 0.862 INCHES MINIMUM AND 1.012 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | COPPER ALLOY 510 |
| 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 |
|---|---|
| 75A430625-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 75A430625-2001 | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
NSN 5325-01-172-7167 is a Ring,retaining, manufactured by The Boeing Company Div Defense, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-172-7167 has 2 manufacturer part numbers on file: 75A430625-2001 (The Boeing Company Div Defense), 75A430625-2001 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk).
Key specifications for 75A430625-2001: Usage Design: EXTERNAL AND INTERNAL; End Style: 90 DEGREE PARALLEL; Material Diameter: 0.064 INCHES NOMINAL IN; Material Document and Classification: QQ-W-321,ALLOY 510 FED SPEC SINGLE MATERIAL RESPONSE. 10 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.