The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-681-4825, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is H-K Connecticut Holding Company. Government technical data includes 11 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-681-4825 |
| Primary Part Number | 64040 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | H-K Connecticut Holding Company |
| Status | ACTIVE |
| Thread Series Designator | UNRC |
| Material | STEEL OVERALL |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Width Across Flats | 0.15625 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 20 |
| Internal Drive Style | HEXAGON |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Head Style | BUTTON |
| Thread Class | 3A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 64040 PRIMARY | H-K Connecticut Holding Company (USA) |
NSN 5305-01-681-4825 is a Screw,cap,socket Head, manufactured by H-K Connecticut Holding Company, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-681-4825 has 1 cross-referenced part number: 64040 (H-K Connecticut Holding Company).
There are 5 known substitutes for 5305-01-681-4825: 3920-00-183-7427, 5920-00-234-8191, 6530-01-036-0399 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 64040: Thread Series Designator: UNRC; Material: STEEL OVERALL; Fastener Length: 0.375 INCHES NOMINAL IN; Thread Length: 0.375 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.