The Ring,retaining, cataloged under National Stock Number 5325-00-377-4133, 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 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-377-4133 |
| Primary Part Number | 4001862 |
| 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 |
| Material Diameter | 0.062 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5698 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 4.520 INCHES MINIMUM AND 4.640 INCHES MAXIMUM IN |
| Inside Diameter | 4.393 INCHES MINIMUM AND 4.517 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | NICKEL ALLOY X-750 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4001862 | Norton Canada Inc (CAN) |
| 4001862 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4001862 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4001862 | 5/9 Secondary reference American Tubular Elevator Co |
| 5325PL0789075 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5325-00-377-4133 is a Ring,retaining, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-377-4133 has 3 manufacturer part numbers on file: 4001862 (Norton Canada Inc), 4001862 (Rtx Corporation Div Pratt & Whitney), 4001862 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4001862: Usage Design: EXTERNAL; End Style: 90 DEGREE PARALLEL; Material Diameter: 0.062 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Material Document and Classification: AMS 5698 ASSN STD SINGLE MATERIAL RESPONSE. 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.