The Thumbscrew, cataloged under National Stock Number 5305-01-105-5237, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 18 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 | 5305-01-105-5237 |
| Primary Part Number | 8589886 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Point Diameter | 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN |
| Head Height | 0.244 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Point Length | 0.230 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Fastener Length | 1.984 INCHES MINIMUM AND 2.016 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.625 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763 MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 45.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Point Style | CHAMFER DOG |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.734 INCHES MINIMUM AND 0.766 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 |
|---|---|
| 8589886 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5305-01-105-5237 is a Thumbscrew, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-105-5237 has 1 manufacturer part number on file: 8589886 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 8589886: Point Diameter: 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN; Head Height: 0.244 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN; Point Length: 0.230 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN; Fastener Length: 1.984 INCHES MINIMUM AND 2.016 INCHES MAXIMUM IN. 18 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.