The Screw,machine, cataloged under National Stock Number 5305-00-281-2638, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-281-2638 |
| Primary Part Number | 830534 |
| 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 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Height | 0.131 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 20 |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Screw Material Document and Classification | MIL-B-15939 /INVALID/ MIL SPEC SINGLE MATERIAL RESPONSE |
| Head Style | FLAT CHAMFER |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Length | 0.358 INCHES MINIMUM IN |
| Screw Material | COPPER ALLOY |
| Head Diameter | 0.477 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 830534 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5305-00-281-2638 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 5305-00-281-2638 has 1 cross-referenced part number: 830534 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There are 2 known substitutes for 5305-00-281-2638: 4730-00-484-2640, 5950-01-070-7414. Verify interchangeability with system specifications before substitution.
Key specifications for 830534: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Head Height: 0.131 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN; Thread Quantity Per Inch: 20; Nominal Thread Diameter: 0.250 INCHES IN. 13 total characteristics are documented in the Federal Logistics Information System.