The Thumbscrew, cataloged under National Stock Number 5305-00-801-3166, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. 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 | 5305-00-801-3166 |
| Primary Part Number | 1700938 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Head Height | 0.500 INCHES NOMINAL IN |
| Fastener Length | 0.531 INCHES NOMINAL IN |
| Thread Length | 0.188 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | COPPER ALLOY 510 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 |
|---|---|
| 1700938 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 5305-00-801-3166 is a Thumbscrew, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-801-3166 has 1 manufacturer part number on file: 1700938 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 1700938: Head Height: 0.500 INCHES NOMINAL IN; Fastener Length: 0.531 INCHES NOMINAL IN; Thread Length: 0.188 INCHES MINIMUM IN; Nominal Thread Diameter: 0.112 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.