The Screw,machine, cataloged under National Stock Number 5305-00-958-8350, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mason Electric Co. Dba Mason Controls. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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 | 5305-00-958-8350 |
| Primary Part Number | 21725 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Mason Electric Co. Dba Mason Controls |
| Status | ACTIVE |
| Head Diameter | 0.414 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 28 |
| Thread Class | 2A A |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Length | 0.500 INCHES MINIMUM IN |
| Thread Series Designator | UNF |
| Fastener Length | 1.875 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Head Style | FILLISTER |
| Screw Material | STEEL |
| Head Height | 0.170 INCHES NOMINAL IN |
| Internal Drive Style | SLOT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-00-958-8350 is a Screw,machine, manufactured by Mason Electric Co. Dba Mason Controls, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-958-8350 has 3 cross-referenced part numbers: 21725 (Amphenol Corp Div Amphenol Aerospace Operations), 21725 (Unison Industries Llc), 21725 (Mason Electric Co. Dba Mason Controls).
There are 5 known substitutes for 5305-00-958-8350: 3455-01-047-4288, 5998-01-075-5594, 5325-01-518-0835 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21725: Head Diameter: 0.414 INCHES NOMINAL IN; Thread Quantity Per Inch: 28; Thread Class: 2A A; Nominal Thread Diameter: 0.250 INCHES IN. 12 total characteristics are documented in the Federal Logistics Information System.