The Screw,machine, cataloged under National Stock Number 5305-01-534-4283, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-534-4283 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Screw Material Document and Classification | MIL-S-5626 MIL STD ALL MATERIAL RESPONSES OR MIL-S-5000 MIL STD ALL MATERIAL RESPONSES OR MIL-S-6049 MIL STD ALL MATERIAL RESPONSES |
| Head Style | DEE |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205 - NAS603 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Screw Material | STEEL COMP 414 OR STEEL COMP 4340 OR STEEL COMP 8740 |
| Askewed Head Angle | 0.010 RADIANS MINIMUM AND 0.020 RADIANS MAXIMUM |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Hole Configuration Style | ROUND |
| Hole Diameter | 0.190 INCHES MAXIMUM IN |
| Head Diameter | 0.357 INCHES MINIMUM AND 0.373 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 |
|---|---|
| NAS603-21 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-534-4283 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-534-4283: Head Height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Fastener Length: 1.250 INCHES NOMINAL IN; Screw Material Document and Classification: MIL-S-5626 MIL STD ALL MATERIAL RESPONSES OR MIL-S-5000 MIL STD ALL MATERIAL RESPONSES OR MIL-S-6049 MIL STD ALL MATERIAL RESPONSES; Head Style: DEE. 14 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.