The Thumbscrew, cataloged under National Stock Number 5305-00-645-9759, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 16 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 | 5305-00-645-9759 |
| Primary Part Number | 9077556 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Head Height | 0.750 INCHES NOMINAL IN |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES MINIMUM IN |
| Hardness Rating | 165.0 BRINELL STANDARD MINIMUM AND 179.0 BRINELL STANDARD MAXIMUM OVERALL |
| First Diameter From Head | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | THUMB NO. 9 |
| Thread Direction | RIGHT-HAND |
| Point Style | CONE |
| Width Between Flats | 0.938 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.500 INCHES MINIMUM IN |
| Surface Treatment | ENAMEL OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | COPPER ALLOY 952 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 9077556 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5305-00-645-9759 is a Thumbscrew, manufactured by Us Army Aviation and Missile Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-645-9759 has 1 manufacturer part number on file: 9077556 (Us Army Aviation and Missile Command).
Key specifications for 9077556: Head Height: 0.750 INCHES NOMINAL IN; Fastener Length: 1.000 INCHES NOMINAL IN; Thread Length: 0.500 INCHES MINIMUM IN; Hardness Rating: 165.0 BRINELL STANDARD MINIMUM AND 179.0 BRINELL STANDARD MAXIMUM OVERALL. 16 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.