The Ring,retaining, cataloged under National Stock Number 5325-01-154-2977, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-154-2977 |
| Primary Part Number | 1213AS471 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Surface Treatment Document and Classification | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | AMS 5643, 17-4PH ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | CHAMFERED INSIDE CORNERS |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| Major Thickness | 0.190 INCHES NOMINAL IN |
| Inside Diameter | 1.760 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Surface Treatment | OXIDE |
| Material | STEEL COMP 630 |
| 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 |
|---|---|
| 1213AS471 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5325-01-154-2977 is a Ring,retaining, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-154-2977 has 1 manufacturer part number on file: 1213AS471 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1213AS471: Usage Design: EXTERNAL; Surface Treatment Document and Classification: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: AMS 5643, 17-4PH ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: CHAMFERED INSIDE CORNERS. 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.