The Thumbscrew, cataloged under National Stock Number 5305-00-441-4848, 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 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-441-4848 |
| Primary Part Number | 10043948 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Point Swivel Included Angle | 7.5 DEGREES NOMINAL |
| Point Diameter | 0.185 INCHES NOMINAL IN |
| Head Height | 0.375 INCHES NOMINAL IN |
| Point Length | 0.156 INCHES NOMINAL IN |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Thread Length | 1.344 INCHES MINIMUM IN |
| Material Document and Classification | QQ-S-637 FED SPEC 1ST MATERIAL RESPONSE OR SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 45.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Point Style | UNIVERSAL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 1213 OR STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 1.000 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 |
NSN 5305-00-441-4848 is a Thumbscrew, manufactured by Us Army Aviation and Missile Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-441-4848 has 2 manufacturer part numbers on file: SCH330 (Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier), 10043948 (Us Army Aviation and Missile Command).
Key specifications for 10043948: Point Swivel Included Angle: 7.5 DEGREES NOMINAL; Point Diameter: 0.185 INCHES NOMINAL IN; Head Height: 0.375 INCHES NOMINAL IN; Point Length: 0.156 INCHES NOMINAL IN. 17 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.