The Ring,retaining, cataloged under National Stock Number 5325-01-129-0420, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-129-0420 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| End Style | VERTEX OUTSIDE PERIPHERY |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 6.524 INCHES MINIMUM AND 6.579 INCHES MAXIMUM IN |
| Major Thickness | 0.082 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Inside Diameter | 5.888 INCHES MINIMUM AND 5.967 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL FLAT |
| 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 |
| Reference | Meaning |
|---|---|
| 9432384 | C/1 Advisory reference — outside the item-of-supply concept General Motors Corp Electro-Motive Div |
| 8358573 | 3/9 Design control — primary reference General Motors Corp Electro-Motive Div |
NSN 5325-01-129-0420 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-129-0420: Usage Design: EXTERNAL; End Style: VERTEX OUTSIDE PERIPHERY; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 6.524 INCHES MINIMUM AND 6.579 INCHES MAXIMUM IN. 9 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.