The Thumbscrew, cataloged under National Stock Number 5305-01-682-5033, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Cooksey Corp the Shear-Loc Products. Government technical data includes 12 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 | 5305-01-682-5033 |
| Primary Part Number | 903B-2528-1.00S |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Cooksey Corp the Shear-Loc Products |
| Status | ACTIVE |
| Head Height | 0.3125 INCHES NOMINAL IN |
| Fastener Length | 1.00 INCHES NOMINAL IN |
| Thread Length | 1.00 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.2500 INCHES IN |
| Head Style | KNURLED NO. 5 |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | PLASTIC HEAD |
| Material | STEEL PROPERTY CLASS 18.8 THREADS |
| Thread Series Designator | UNF |
| Head Diameter | 0.750 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 |
|---|---|
| 903B-2528-1.00S PRIMARY | Cooksey Corp the Shear-Loc Products (USA) |
NSN 5305-01-682-5033 is a Thumbscrew, manufactured by Cooksey Corp the Shear-Loc Products, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-682-5033 has 1 manufacturer part number on file: 903B-2528-1.00S (Cooksey Corp the Shear-Loc Products).
Key specifications for 903B-2528-1.00S: Head Height: 0.3125 INCHES NOMINAL IN; Fastener Length: 1.00 INCHES NOMINAL IN; Thread Length: 1.00 INCHES NOMINAL IN; Nominal Thread Diameter: 0.2500 INCHES IN. 12 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.