The Screw,machine, cataloged under National Stock Number 5305-01-684-0573, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-684-0573 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.049 INCHES NOMINAL IN |
| Screw Surface Treatment | PASSIVATE AND CADMIUM |
| Fastener Length | 0.598 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN |
| Thread Length | 0.403 INCHES NOMINAL IN |
| Spline Major Diameter | 0.155 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.1900 INCHES IN |
| Head Style | FLAT COUNTERSUNK UNDERCUT |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS5320 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Screw Material | STEEL |
| Minimum Tensile Strength | 95000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TORX |
| Countersink Angle | 99.00 DEGREES MINIMUM AND 101.00 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.3047 INCHES NOMINAL 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 |
|---|---|
| NAS5320E3P4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-684-0573 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-684-0573: Head Height: 0.049 INCHES NOMINAL IN; Screw Surface Treatment: PASSIVATE AND CADMIUM; Fastener Length: 0.598 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN; Thread Length: 0.403 INCHES NOMINAL 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.