The Screw,machine, cataloged under National Stock Number 5305-01-059-1903, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-059-1903 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 0.408 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Thread Length | 0.308 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Head Diameter | 0.193 INCHES MINIMUM AND 0.226 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 |
| Reference | Meaning |
|---|---|
| NAS5600-7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-059-1903 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-059-1903: Fastener Length: 0.408 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Thread Length: 0.308 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN; Head Style: FLAT COUNTERSUNK; Thread Direction: RIGHT-HAND. 7 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.