The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-591-5741, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Safety Socket Llc. 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-591-5741 |
| Primary Part Number | 44038 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Safety Socket Llc |
| Status | ACTIVE |
| Head Diameter | 0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN |
| Head Style | PAN NO. 2 |
| Thread Quantity Per Inch | 32 |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Width Across Flats | 0.109 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Internal Drive Style | HEXAGON |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Head Height | 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Material | STEEL OVERALL |
| Thread Series Designator | UNRC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 44038 PRIMARY | Safety Socket Llc (USA) |
NSN 5305-01-591-5741 is a Screw,cap,socket Head, manufactured by Safety Socket Llc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-591-5741 has 1 cross-referenced part number: 44038 (Safety Socket Llc).
There are 10 known substitutes for 5305-01-591-5741: 4820-00-060-4799, 5120-00-223-7976, 2090-00-380-9812 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 44038: Head Diameter: 0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN; Head Style: PAN NO. 2; Thread Quantity Per Inch: 32; Fastener Length: 0.375 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.