The Thumbscrew, cataloged under National Stock Number 5305-01-382-7474, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-382-7474 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.750 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN |
| Fastener Length | 1.940 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS3 FED SPEC ALL TREATMENT RESPONSES AND MIL-C-81562, TYPE 2, CLASS 3 MIL SPEC ALL TREATMENT RESPONSES OVERALL |
| Shoulder Diameter | 0.560 INCHES MINIMUM AND 0.590 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.889 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | THUMB NO. 3 |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Width Between Flats | 0.670 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 48000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| 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 |
| Reference | Meaning |
|---|---|
| MS21316-48 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-01-382-7474 is a Thumbscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-382-7474: Head Height: 0.750 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN; Fastener Length: 1.940 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416, TYPE 2, CLASS3 FED SPEC ALL TREATMENT RESPONSES AND MIL-C-81562, TYPE 2, CLASS 3 MIL SPEC ALL TREATMENT RESPONSES OVERALL; Shoulder Diameter: 0.560 INCHES MINIMUM AND 0.590 INCHES MAXIMUM FIRST SHOULDER IN. 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.