The Thumbscrew, cataloged under National Stock Number 5305-01-318-9101, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Designatronics Inc Stock Drive Products Div. 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 | 5305-01-318-9101 |
| Primary Part Number | 9B41A632A |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Designatronics Inc Stock Drive Products Div |
| Status | ACTIVE |
| Head Height | 0.625 INCHES NOMINAL IN |
| Fastener Length | 0.406 INCHES NOMINAL IN |
| Thread Length | 0.344 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | KNURLED NO. 2 |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | NICKEL OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.375 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 |
|---|---|
| 9B41A632A PRIMARY | Designatronics Inc Stock Drive Products Div (USA) |
NSN 5305-01-318-9101 is a Thumbscrew, manufactured by Designatronics Inc Stock Drive Products Div, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-318-9101 has 1 manufacturer part number on file: 9B41A632A (Designatronics Inc Stock Drive Products Div).
Key specifications for 9B41A632A: Head Height: 0.625 INCHES NOMINAL IN; Fastener Length: 0.406 INCHES NOMINAL IN; Thread Length: 0.344 INCHES NOMINAL IN; Nominal Thread Diameter: 0.138 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.