The Screw,machine, cataloged under National Stock Number 5305-01-079-6563, 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16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-079-6563 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 0.636 INCHES MINIMUM AND 0.681 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS5668 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.371 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS560 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Screw Material | NICKEL ALLOY X-750 |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNF |
| Head Diameter | 0.337 INCHES MINIMUM AND 0.387 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 |
|---|---|
| NAS560XK3P3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-079-6563 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-079-6563: Screw Surface Treatment: CADMIUM; Fastener Length: 0.636 INCHES MINIMUM AND 0.681 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS5668 ASSN STD SINGLE MATERIAL RESPONSE; Thread Length: 0.371 INCHES MINIMUM AND 0.508 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.