The Ring,retaining, cataloged under National Stock Number 5325-00-814-4366, 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 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-814-4366 |
| Primary Part Number | 6791617 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Material Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| Usage Design | INTERNAL |
| End Style | D SHAPE ABOVE INSIDE PERIPHERY |
| Strength Rating | ERR-060 |
| Material Document and Classification | AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 0.810 INCHES NOMINAL IN |
| Major Thickness | 0.042 INCHES NOMINAL IN |
| Inside Diameter | 0.730 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 440C |
| 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 |
|---|---|
| 6791617 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6791617 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6791617 | 5/9 Secondary reference General Motors Corp |
NSN 5325-00-814-4366 is a Ring,retaining, manufactured by Rolls-Royce Corporation, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-814-4366 has 1 manufacturer part number on file: 6791617 (Rolls-Royce Corporation).
Key specifications for 6791617: Material Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM; Usage Design: INTERNAL; End Style: D SHAPE ABOVE INSIDE PERIPHERY; Strength Rating: ERR-060. 13 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.