The Ring,retaining, cataloged under National Stock Number 5325-01-013-1869, 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 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-013-1869 |
| Primary Part Number | 752518 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Material Diameter | 0.162 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 2.602 INCHES MINIMUM AND 2.627 INCHES MAXIMUM IN |
| Inside Diameter | 2.430 INCHES MINIMUM AND 2.465 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL FLAT |
| 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 |
|---|---|
| 752518 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 752518 | 5/9 Secondary reference Adams Industries Inc a Sub of Banner Industries Inc |
| 752518 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| PRG260 | 5/2 Secondary reference U.S. Government activity |
NSN 5325-01-013-1869 is a Ring,retaining, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-013-1869 has 1 manufacturer part number on file: 752518 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 752518: Usage Design: INTERNAL; Material Diameter: 0.162 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Cross-Sectional Shape Style: ROUND; Outside Diameter: 2.602 INCHES MINIMUM AND 2.627 INCHES MAXIMUM IN. 8 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.