The Thumbscrew, cataloged under National Stock Number 5305-00-758-4908, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-758-4908 |
| Primary Part Number | 10932391 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Point Diameter | 0.372 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Head Height | 1.063 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN |
| Point Length | 1.688 INCHES NOMINAL IN |
| Fastener Length | 5.375 INCHES NOMINAL IN |
| Shoulder Length | 1.812 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 1.750 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Point Chamfer Angle | 90.0 DEGREES NOMINAL |
| First Diameter From Head | 0.626 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 3.687 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 5.375 INCHES NOMINAL IN |
| Head Style | KNURLED NO. 2 |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.500 INCHES NOMINAL IN |
| Point Style | CHAMFER DOG |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 1.812 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Material | STEEL COMP 1008 OR STEEL COMP 1020 OVERALL |
| Third Diameter From Head | 0.375 INCHES NOMINAL IN |
| Thread Series Designator | UNF |
| Head Diameter | 1.500 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 |
|---|---|
| 10932391 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5305007584908 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5305-00-758-4908 is a Thumbscrew, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-758-4908 has 1 manufacturer part number on file: 10932391 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10932391: Point Diameter: 0.372 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN; Head Height: 1.063 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN; Point Length: 1.688 INCHES NOMINAL IN; Fastener Length: 5.375 INCHES NOMINAL IN. 22 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.