The Thumbscrew, cataloged under National Stock Number 5305-01-579-4007, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Kanebridge Corporation Dba Distributor of Fasteners Div Corporate Headquarters. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-579-4007 |
| Primary Part Number | 1410TS |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Kanebridge Corporation Dba Distributor of Fasteners Div Corporate Headquarters |
| Status | ACTIVE |
| Head Height | 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| Point Length | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Fastener Length | 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM B633, TYPE II, FE/ZN8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN |
| Material Document and Classification | AMS-STD-66 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 45.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | THUMB NO. 4 |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Width Between Flats | 0.520 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN |
| Color | OLIVE DRAB OVERALL |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL 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 |
|---|---|
| 1410TS PRIMARY | Kanebridge Corporation Dba Distributor of Fasteners Div Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| 12443845 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5305-01-579-4007 is a Thumbscrew, manufactured by Kanebridge Corporation Dba Distributor of Fasteners Div Corporate Headquarters, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-579-4007 has 1 manufacturer part number on file: 1410TS (Kanebridge Corporation Dba Distributor of Fasteners Div Corporate Headquarters).
Key specifications for 1410TS: Head Height: 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN; Point Length: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Fastener Length: 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM B633, TYPE II, FE/ZN8 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 18 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.