The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-681-4436, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-681-4436 |
| Primary Part Number | 64042 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | H-K Connecticut Holding Company |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Thread Series Designator | UNRC |
| Thread Class | 3A A |
| Width Across Flats | 0.15625 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Internal Drive Style | HEXAGON |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | BUTTON |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 20 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 64042 PRIMARY | H-K Connecticut Holding Company (USA) |
NSN 5305-01-681-4436 is a Screw,cap,socket Head, manufactured by H-K Connecticut Holding Company, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-681-4436 has 1 cross-referenced part number: 64042 (H-K Connecticut Holding Company).
There are 2 known substitutes for 5305-01-681-4436: 5915-00-501-0153, 5120-01-430-8556. Verify interchangeability with system specifications before substitution.
Key specifications for 64042: Material: STEEL OVERALL; Thread Series Designator: UNRC; Thread Class: 3A A; Width Across Flats: 0.15625 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.