The Ring,retaining, cataloged under National Stock Number 5325-01-454-9671, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems Inc. Div Gdls Global Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-454-9671 |
| Primary Part Number | 7577819-001 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | General Dynamics Land Systems Inc. Div Gdls Global Llc |
| Status | ACTIVE |
| Material Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM |
| Outside Diameter | 0.478 INCHES NOMINAL IN |
| Inside Diameter | 0.344 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 7577819-001 PRIMARY | General Dynamics Land Systems Inc. Div Gdls Global Llc (USA) |
| MC-9 PRIMARY | Rotor Clip Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 11-410-0100-1001 | 5/9 Secondary reference Truarc Company Llc Dba Waldes Truarc |
| 7577819-001 | 7/2 Vendor item drawing reference General Dynamics Land Systems Inc. |
NSN 5325-01-454-9671 is a Ring,retaining, manufactured by General Dynamics Land Systems Inc. Div Gdls Global Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-454-9671 has 2 manufacturer part numbers on file: 7577819-001 (General Dynamics Land Systems Inc. Div Gdls Global Llc), MC-9 (Rotor Clip Company, Inc.).
Key specifications for 7577819-001: Material Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM; Outside Diameter: 0.478 INCHES NOMINAL IN; Inside Diameter: 0.344 INCHES NOMINAL IN; Material: STEEL. 4 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.