The Ring,retaining, cataloged under National Stock Number 5325-00-944-4190, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-944-4190 |
| Primary Part Number | 6810461 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Material Document and Classification | FED STD NO. 66 FED STD SINGLE MATERIAL RESPONSE AND AISI 4130 ASSN STD SINGLE MATERIAL RESPONSE OR FED STD NO. 66 FED STD SINGLE MATERIAL RESPONSE AND SAE 4130 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 2.030 INCHES NOMINAL IN |
| Major Thickness | 0.090 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN |
| Inside Diameter | 1.946 INCHES MINIMUM AND 1.954 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | STEEL COMP 4130 |
| 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 |
|---|---|
| 6810461 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6810461 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 5325-00-944-4190 is a Ring,retaining, manufactured by Rolls-Royce Corporation, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-944-4190 has 1 manufacturer part number on file: 6810461 (Rolls-Royce Corporation).
Key specifications for 6810461: Usage Design: INTERNAL; End Style: 90 DEGREE PARALLEL; Material Document and Classification: FED STD NO. 66 FED STD SINGLE MATERIAL RESPONSE AND AISI 4130 ASSN STD SINGLE MATERIAL RESPONSE OR FED STD NO. 66 FED STD SINGLE MATERIAL RESPONSE AND SAE 4130 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 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.