The Thumbscrew, cataloged under National Stock Number 5305-00-721-4507, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect. Government technical data includes 13 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-721-4507 |
| Primary Part Number | 3100-8 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect |
| Status | ACTIVE |
| Head Diameter | 0.438 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Head Height | 0.281 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | NICKEL OVERALL |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Point Style | FLAT |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | KNURLED NO. 2 |
| Thread Length | 0.500 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-00-721-4507 is a Thumbscrew, manufactured by Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-721-4507 has 2 cross-referenced part numbers: 9195649 (Us Army Aviation and Missile Command), 3100-8 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect).
There are 9 known substitutes for 5305-00-721-4507: 5340-00-081-6573, 5935-00-149-3561, 5940-00-197-3345 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3100-8: Head Diameter: 0.438 INCHES NOMINAL IN; Thread Class: 2A A; Head Height: 0.281 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 13 total characteristics are documented in the Federal Logistics Information System.