The Ring,retaining, cataloged under National Stock Number 5325-01-318-7705, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-318-7705 |
| Primary Part Number | 4074738 |
| 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 |
| Cross-Sectional Shape Style | ROUNDED CORNERS |
| Outside Diameter | 35.840 INCHES MINIMUM AND 36.340 INCHES MAXIMUM IN |
| Major Thickness | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Inside Diameter | 35.634 INCHES MINIMUM AND 36.118 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | INTERNAL STEPPED |
| Material | TITANIUM ALLOY |
| 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 |
|---|---|
| 4074738 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 5325PL0789117 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5325-01-318-7705 is a Ring,retaining, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-318-7705 has 1 manufacturer part number on file: 4074738 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4074738: Usage Design: EXTERNAL; End Style: 90 DEGREE PARALLEL; Cross-Sectional Shape Style: ROUNDED CORNERS; Outside Diameter: 35.840 INCHES MINIMUM AND 36.340 INCHES MAXIMUM IN. 9 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.