The Ring,retaining, cataloged under National Stock Number 5325-01-172-5142, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-172-5142 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 19.230 INCHES MINIMUM AND 19.250 INCHES MAXIMUM IN |
| Major Thickness | 0.900 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN |
| Inside Diameter | 18.320 INCHES MINIMUM AND 18.330 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 2-131-048-04 | 3/2 Design control — primary reference U.S. Government activity |
| V2-131-048-02 | 5/9 Secondary reference Vericor Power Systems Llc |
NSN 5325-01-172-5142 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-172-5142: Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 19.230 INCHES MINIMUM AND 19.250 INCHES MAXIMUM IN; Major Thickness: 0.900 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN; Inside Diameter: 18.320 INCHES MINIMUM AND 18.330 INCHES MAXIMUM IN. 6 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.