The Ring,retaining, cataloged under National Stock Number 5325-01-478-3740, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Corporation. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-478-3740 |
| Primary Part Number | 23071793 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| 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 |
|---|---|
| 23071793 | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| E23071793 | 5/9 Secondary reference Extex, Ltd. |
| 23071793 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 23009342 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| D-BRC-525-Q | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-478-3740 is a Ring,retaining, manufactured by Rolls-Royce Corporation, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-478-3740 has 1 manufacturer part number on file: 23071793 (Rolls-Royce Corporation).
Key specifications for 23071793: Criticality Code Justification: FEAT; Special Features: FLIGHT SAFETY CRITICAL AIRCRAFT PART; End Item Identification: T63-A-700 AND T63-A-720 ROTARY WING AIRCRAFT. 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.