The Screw,machine, cataloged under National Stock Number 5305-01-657-4791, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-657-4791 |
| Primary Part Number | 72434 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| Status | ACTIVE |
| Fastener Length | 1.50 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Screw Surface Treatment | WAX |
| Head Diameter | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Head Style | PAN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Shank Surface Treatment | WAX |
| Thread Quantity Per Inch | 32 |
| Bearing Surface of Head Surface Treatment | WAX |
| Thread Class | 2A A |
| Screw Material | STEEL CORROSION RESISTING |
| Thread Length | 1.50 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Head Surface Treatment | WAX |
| Head Height | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-01-657-4791 is a Screw,machine, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-657-4791 has 2 cross-referenced part numbers: 3899257 (Oshkosh Defense Llc), 72434 (Fastenal Company Dba Fastenal Co).
There are 6 known substitutes for 5305-01-657-4791: 5342-00-489-3458, 2520-00-615-6052, 2810-00-795-2947 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 72434: Fastener Length: 1.50 INCHES NOMINAL IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Screw Surface Treatment: WAX; Head Diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.