The Thumbscrew, cataloged under National Stock Number 5305-00-910-9443, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-910-9443 |
| Primary Part Number | 10516599 |
| 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 |
| Head Height | 0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Fastener Length | 1.516 INCHES MINIMUM AND 1.547 INCHES MAXIMUM IN |
| Shoulder Length | 0.375 INCHES MINIMUM AND 0.438 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | QQ-S-763 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | KNURLED NO. 1 |
| Thread Direction | RIGHT-HAND |
| Point Style | POINTLESS |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.969 INCHES MINIMUM AND 1.000 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 |
|---|---|
| 10516599 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 5305009109443 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5305-00-910-9443 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 5305-00-910-9443 has 1 manufacturer part number on file: 10516599 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 10516599: Head Height: 0.281 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN; Fastener Length: 1.516 INCHES MINIMUM AND 1.547 INCHES MAXIMUM IN; Shoulder Length: 0.375 INCHES MINIMUM AND 0.438 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN. 17 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.