The Screw,machine, cataloged under National Stock Number 5305-01-707-5459, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-707-5459 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.106 INCHES NOMINAL IN |
| Bearing Surface of Head Surface Finish | 32.0 MICROINCHES |
| Locking Feature Material Document and Classification | AMS3650,COLOR OPTIONAL,390 DEG F MAX TEMPERATURE NATIONAL SPEC SINGLE MATERIAL RESPONSE DEGF |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Screw Material Document and Classification | AMS5731,5732,5737 OR AMS5853 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.394 INCHES NOMINAL IN |
| Locking Feature Material | PLASTIC POLYCHLOROTRIFLUOROETHYLENE |
| Nominal Thread Diameter | 0.2500 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Thread Surface Finish | 32.0 MICROINCHES |
| Specification/standard Data | 80205-NAS1189 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | STRIP |
| Screw Material | IRON ALLOY 660 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE III |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.491 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | AMS2700,METHOD I,CLASS 4 NATIONAL STD/SPEC 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 |
|---|---|
| NAS1189E4P8LK | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-707-5459 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-707-5459: Head Height: 0.106 INCHES NOMINAL IN; Bearing Surface of Head Surface Finish: 32.0 MICROINCHES; Locking Feature Material Document and Classification: AMS3650,COLOR OPTIONAL,390 DEG F MAX TEMPERATURE NATIONAL SPEC SINGLE MATERIAL RESPONSE DEGF; Screw Surface Treatment: PASSIVATE. 23 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.