The Thumbscrew, cataloged under National Stock Number 5305-01-541-7047, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 17 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 | 5305-01-541-7047 |
| Primary Part Number | 98052A445 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Point Diameter | 10.0 MILLIMETERS NOMINAL MM |
| Head Height | 38.0 MILLIMETERS NOMINAL MM |
| Point Length | 6.5 MILLIMETERS NOMINAL MM |
| Fastener Length | 63.5 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.8 |
| Thread Length | 6.5 MILLIMETERS NOMINAL MM |
| Shoulder Shape | ROUND OVERALL |
| Hardness Rating | 69.0 ROCKWELL B MINIMUM AND 71.0 ROCKWELL B MAXIMUM OVERALL |
| Head Style | PALM GRIP |
| Thread Direction | RIGHT-HAND |
| Point Style | DOG |
| Width Between Flats | 63.5 MILLIMETERS NOMINAL MM |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Minimum Tensile Strength | 57000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL OVERALL |
| Thread Series Designator | M |
| 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 |
|---|---|
| 98052A445 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5305-01-541-7047 is a Thumbscrew, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-541-7047 has 1 manufacturer part number on file: 98052A445 (Mcmaster-Carr Supply Co).
Key specifications for 98052A445: Point Diameter: 10.0 MILLIMETERS NOMINAL MM; Head Height: 38.0 MILLIMETERS NOMINAL MM; Point Length: 6.5 MILLIMETERS NOMINAL MM; Fastener Length: 63.5 MILLIMETERS NOMINAL MM. 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.