The Screw,machine, cataloged under National Stock Number 5305-01-145-6945, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-145-6945 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 0.641 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN |
| Thread Length | 0.501 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS230 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Screw Material | STEEL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNF |
| Head Diameter | 0.464 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | AN-P-61 ASSN STD SINGLE TREATMENT RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NAS230-10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-145-6945 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-145-6945: Head Height: 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Screw Surface Treatment: CADMIUM; Fastener Length: 0.641 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN; Thread Length: 0.501 INCHES MINIMUM AND 0.578 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.