The Ring,retaining, cataloged under National Stock Number 5325-01-383-2840, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-383-2840 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Usage Design | EXTERNAL OR INTERNAL |
| Material Diameter | 0.012 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN |
| Material Document and Classification | 17-7PH ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.186 INCHES MINIMUM AND 0.206 INCHES MAXIMUM IN |
| Overlap Length | 0.010 INCHES NOMINAL IN |
| Inside Diameter | 0.152 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPIRAL ROUND |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 631 |
| 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 |
|---|---|
| 5365-010C4 | 5/9 Secondary reference Aidc/aerospace Industrial Development Corp. Dba Aidc |
| RT132EC4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-383-2840 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
Key specifications for 5325-01-383-2840: Usage Design: EXTERNAL OR INTERNAL; Material Diameter: 0.012 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN; Material Document and Classification: 17-7PH ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: ROUND. 11 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.