The Screw,machine, cataloged under National Stock Number 5305-01-359-4728, 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16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-359-4728 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 3.016 INCHES MINIMUM AND 3.063 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.531 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Screw Material | IRON ALLOY 660 |
| Minimum Tensile Strength | 130000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNF |
| Head Diameter | 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 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 |
|---|---|
| MS27039C4-48 | 5/9 Secondary reference U.S. Government activity |
| MS27039C4-48 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-359-4728 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-359-4728: Head Height: 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 3.016 INCHES MINIMUM AND 3.063 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE. 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.