The Thumbscrew, cataloged under National Stock Number 5305-01-198-0065, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-198-0065 |
| Primary Part Number | 13027239 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Point Swivel Included Angle | 1.7 DEGREES NOMINAL |
| Point Diameter | 5.2 MILLIMETERS MINIMUM AND 5.3 MILLIMETERS MAXIMUM MM |
| Head Height | 22.5 MILLIMETERS NOMINAL MM |
| Point Length | 3.8 MILLIMETERS NOMINAL MM |
| Fastener Length | 28.44 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.2 |
| Thread Length | 24.63 MILLIMETERS NOMINAL MM |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Point Chamfer Angle | 45.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 7.9 MILLIMETERS MM |
| Head Style | THUMB NO. 3 |
| Thread Direction | RIGHT-HAND |
| Point Style | UNIVERSAL |
| Width Between Flats | 38.1 MILLIMETERS NOMINAL MM |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 13027239 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 13027239 | 5/1 Secondary reference Anco Machine, Inc Div Anco Machine |
NSN 5305-01-198-0065 is a Thumbscrew, manufactured by Us Army Aviation and Missile Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-198-0065 has 1 manufacturer part number on file: 13027239 (Us Army Aviation and Missile Command).
Key specifications for 13027239: Point Swivel Included Angle: 1.7 DEGREES NOMINAL; Point Diameter: 5.2 MILLIMETERS MINIMUM AND 5.3 MILLIMETERS MAXIMUM MM; Head Height: 22.5 MILLIMETERS NOMINAL MM; Point Length: 3.8 MILLIMETERS NOMINAL MM. 19 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.