The Ring,retaining, cataloged under National Stock Number 5325-01-174-3263, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-174-3263 |
| Primary Part Number | 61120-23052-101 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Surface Treatment Document and Classification | SS8435,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE |
| End Style | VERTEX CENTER OR ABOVE |
| Material Document and Classification | MIL-S-5059,TY 301,1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 5.718 INCHES MINIMUM AND 5.738 INCHES MAXIMUM IN |
| Major Thickness | 0.068 INCHES MINIMUM AND 0.076 INCHES MAXIMUM IN |
| Inside Diameter | 5.375 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 301 |
| 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 |
|---|---|
| PL61120-23052-101 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 61120-23052-101 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| AL61120-23052 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5325-01-174-3263 is a Ring,retaining, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-174-3263 has 3 manufacturer part numbers on file: PL61120-23052-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 61120-23052-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), AL61120-23052 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 61120-23052-101: Usage Design: INTERNAL; Surface Treatment Document and Classification: SS8435,FSCM 78286 MFR REF SINGLE TREATMENT RESPONSE; End Style: VERTEX CENTER OR ABOVE; Material Document and Classification: MIL-S-5059,TY 301,1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE. 12 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.