The Ring,retaining, cataloged under National Stock Number 5325-00-377-4762, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-00-377-4762 |
| Primary Part Number | 4002861 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| End Style | 90 DEGREE PARALLEL |
| Criticality Code Justification | FEAT |
| Material Document and Classification | AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 0.896 INCHES MINIMUM AND 0.902 INCHES MAXIMUM IN |
| Major Thickness | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Inside Diameter | 0.730 INCHES MINIMUM AND 0.732 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | NICKEL ALLOY 718 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
NSN 5325-00-377-4762 is a Ring,retaining, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-377-4762 has 2 manufacturer part numbers on file: 4002861 (Moeller Mfg. Company, Llc Div Aircraft), 4002861 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4002861: Usage Design: EXTERNAL; End Style: 90 DEGREE PARALLEL; Criticality Code Justification: FEAT; Material Document and Classification: AMS 5663 ASSN STD SINGLE MATERIAL RESPONSE. 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.