The Screw,machine, cataloged under National Stock Number 5305-00-639-4823, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-639-4823 |
| Primary Part Number | 403431 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Head Style | FILLISTER |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Screw Material | STEEL COMP 1035 |
| Screw Surface Treatment | ZINC |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Hole Configuration Style | ROUND LONGITUDINAL HOLE |
| Hole Quantity | 4 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Head Height | 0.429 INCHES MINIMUM AND 0.489 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 11 |
| Fastener Length | 0.750 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| Hole Diameter | 0.062 INCHES NOMINAL IN |
| Thread Length | 0.531 INCHES MINIMUM IN |
| Head Diameter | 0.855 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Screw Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND |
| Screw Surface Treatment Document and Classification | QQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BUWEPSDWG403431 | Navsurfwarcen Det Picatinny (USA) |
| BUWEPSDWG403431 | Department of the Navy Naval Surface Warfare Center Crane Detachment (USA) |
| 403431 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5305-00-639-4823 is a Screw,machine, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-639-4823 has 3 cross-referenced part numbers: BUWEPSDWG403431 (Navsurfwarcen Det Picatinny), BUWEPSDWG403431 (Department of the Navy Naval Surface Warfare Center Crane Detachment), 403431 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There are 3 known substitutes for 5305-00-639-4823: 5305-00-821-4675, 5360-00-928-3516, 5360-01-537-3171. Verify interchangeability with system specifications before substitution.
Key specifications for 403431: Head Style: FILLISTER; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Screw Material: STEEL COMP 1035; Screw Surface Treatment: ZINC. 18 total characteristics are documented in the Federal Logistics Information System.