The Screw,machine, cataloged under National Stock Number 5305-01-563-5178, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Unicorp.. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-563-5178 |
| Primary Part Number | 4047-M07-F09 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Unicorp. |
| Status | ACTIVE |
| Head Height | 0.562 INCHES NOMINAL IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 1.313 INCHES NOMINAL IN |
| Thread Length | 0.303 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | KNURLED NO. 4 |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.500 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 |
| Part Number | Manufacturer |
|---|---|
| 4047-M07-F09 PRIMARY | Unicorp. (USA) |
NSN 5305-01-563-5178 is a Screw,machine, manufactured by Unicorp., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-563-5178 has 1 manufacturer part number on file: 4047-M07-F09 (Unicorp.).
Key specifications for 4047-M07-F09: Head Height: 0.562 INCHES NOMINAL IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 1.313 INCHES NOMINAL IN; Thread Length: 0.303 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN. 13 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.