The Ring,retaining, cataloged under National Stock Number 5325-00-520-2156, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-520-2156 |
| Primary Part Number | 62H7-2 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Material Document and Classification | AMS 5615,FSCM 81343 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 2.906 INCHES MINIMUM AND 2.938 INCHES MAXIMUM IN |
| Major Thickness | 0.308 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Inside Diameter | 2.722 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | STEEL COMP 414 |
| 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 |
|---|---|
| 103T861 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 62H7-2 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 62H7-2 PRIMARY | Westinghouse Electric Corp (USA) |
| 103T861 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 103T861 | 5/9 Secondary reference Colt Industries Operating Corp Pratt and Whitney Machine Tool Div |
NSN 5325-00-520-2156 is a Ring,retaining, manufactured by Westinghouse Electric Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-520-2156 has 4 manufacturer part numbers on file: 103T861 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 62H7-2 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 62H7-2 (Westinghouse Electric Corp), 103T861 (Westinghouse Electric Corp).
Key specifications for 62H7-2: Usage Design: INTERNAL; End Style: 90 DEGREE PARALLEL; Material Document and Classification: AMS 5615,FSCM 81343 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 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.