The Screw,machine, cataloged under National Stock Number 5305-01-224-3979, 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16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-224-3979 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.082 INCHES NOMINAL IN |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 0.671 INCHES MINIMUM AND 0.711 INCHES MAXIMUM IN |
| Thread Length | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.1900 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS4603-6 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Screw Material | TITANIUM ALLOY |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | TRI-WING RECESS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.338 INCHES NOMINAL IN |
| Screw Surface Treatment Document and Classification | QQ-P-416,TYII,CL2 FED 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 |
|---|---|
| NAS4603-6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-224-3979 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-224-3979: Head Height: 0.082 INCHES NOMINAL IN; Screw Surface Treatment: CADMIUM; Fastener Length: 0.671 INCHES MINIMUM AND 0.711 INCHES MAXIMUM IN; Thread Length: 0.365 INCHES MINIMUM AND 0.385 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.