The Thumbscrew, cataloged under National Stock Number 5305-01-068-0481, is classified within Federal Supply Class 5305 (Screws) 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-068-0481 |
| Primary Part Number | PWA52594-4 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.906 INCHES NOMINAL IN |
| Fastener Length | 0.719 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Surface Treatment | OXIDE OVERALL |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 1018 OVERALL |
| 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 |
|---|---|
| PWA52594-4 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5305-01-068-0481 is a Thumbscrew, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-068-0481 has 1 manufacturer part number on file: PWA52594-4 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA52594-4: Head Height: 0.906 INCHES NOMINAL IN; Fastener Length: 0.719 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.500 INCHES NOMINAL IN. 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.