The Thumbscrew, cataloged under National Stock Number 5305-01-350-4181, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 13 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 | 5305-01-350-4181 |
| Primary Part Number | 3C3044P05 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Fastener Length | 2.300 INCHES NOMINAL IN |
| Shoulder Length | 0.620 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 2.175 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM FASTENER |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | KNURLED NO. 2 |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 4130 OR STEEL COMP 4142 FASTENER |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 3C3044P05 PRIMARY | General Electric Company (USA) |
NSN 5305-01-350-4181 is a Thumbscrew, manufactured by General Electric Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-350-4181 has 1 manufacturer part number on file: 3C3044P05 (General Electric Company).
Key specifications for 3C3044P05: Fastener Length: 2.300 INCHES NOMINAL IN; Shoulder Length: 0.620 INCHES NOMINAL FIRST SHOULDER IN; Thread Length: 2.175 INCHES NOMINAL IN; Shoulder Shape: ROUND FIRST SHOULDER. 13 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.