The Thumbscrew, cataloged under National Stock Number 5305-01-015-9677, 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 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-015-9677 |
| Primary Part Number | PWA25497-6 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.438 INCHES NOMINAL IN |
| Fastener Length | 3.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 2.562 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | CASEHARDENED |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Point Style | FULL DOG |
| Surface Treatment | OXIDE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 1213 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 1.250 INCHES NOMINAL IN |
| 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 |
|---|---|
| PWA25497-6 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| CL-12-KHS | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-015-9677 is a Thumbscrew, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-015-9677 has 1 manufacturer part number on file: PWA25497-6 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA25497-6: Head Height: 0.438 INCHES NOMINAL IN; Fastener Length: 3.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 2.562 INCHES NOMINAL IN. 15 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.