The Thumbscrew, cataloged under National Stock Number 5305-01-210-1651, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-210-1651 |
| Primary Part Number | 9M213B10-20 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Point Swivel Included Angle | 20.0 DEGREES NOMINAL |
| Point Diameter | 0.908 INCHES MINIMUM AND 0.968 INCHES MAXIMUM IN |
| Head Height | 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| Point Length | 0.626 INCHES MINIMUM AND 0.686 INCHES MAXIMUM IN |
| Fastener Length | 4.971 INCHES MINIMUM AND 5.091 INCHES MAXIMUM IN |
| Thread Length | 4.067 INCHES MINIMUM AND 4.307 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | KNURLED NO. 4 |
| Thread Direction | RIGHT-HAND |
| Point Style | UNIVERSAL |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL COMP 1020 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM 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 |
|---|---|
| 9M213B10-20 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| CL-031-SHS-20 | 3/2 Design control — primary reference U.S. Government activity |
| CL-530-SHS-20 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-210-1651 is a Thumbscrew, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-210-1651 has 1 manufacturer part number on file: 9M213B10-20 (The Boeing Company Div Defense).
Key specifications for 9M213B10-20: Point Swivel Included Angle: 20.0 DEGREES NOMINAL; Point Diameter: 0.908 INCHES MINIMUM AND 0.968 INCHES MAXIMUM IN; Head Height: 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN; Point Length: 0.626 INCHES MINIMUM AND 0.686 INCHES MAXIMUM IN. 16 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.