The Ring,retaining, cataloged under National Stock Number 5325-01-502-8340, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 5 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 | 5325-01-502-8340 |
| Primary Part Number | R271NAB0125NN119NNQA1 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Material Hardness Rating | 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| Usage Design | INTERNAL |
| Outside Diameter | 1.368 INCHES MINIMUM AND 1.413 INCHES MAXIMUM IN |
| Ring Style | INTERNAL |
| 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 |
|---|---|
| R271NAB0125NN119NNQA1 PRIMARY | The American Society of Mechanical Engineers (USA) |
NSN 5325-01-502-8340 is a Ring,retaining, manufactured by The American Society of Mechanical Engineers, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-502-8340 has 1 manufacturer part number on file: R271NAB0125NN119NNQA1 (The American Society of Mechanical Engineers).
Key specifications for R271NAB0125NN119NNQA1: Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM; Usage Design: INTERNAL; Outside Diameter: 1.368 INCHES MINIMUM AND 1.413 INCHES MAXIMUM IN; Ring Style: INTERNAL. 5 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.