The Thumbscrew, cataloged under National Stock Number 5305-01-430-4911, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Concord Instruments Corp. Government technical data includes 8 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-430-4911 |
| Primary Part Number | 45643 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Concord Instruments Corp |
| Status | ACTIVE |
| Thread Class | 2A A |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Quantity Per Inch | 28 |
| Fastener Length | 1.840 INCHES NOMINAL IN |
| Thread Series Designator | UNF |
| Thread Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| Thread Length | 1.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 45643 | Concord Instruments Corp (USA) |
NSN 5305-01-430-4911 is a Thumbscrew, manufactured by Concord Instruments Corp, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-430-4911 has 1 cross-referenced part number: 45643 (Concord Instruments Corp).
There is 1 known substitute for 5305-01-430-4911: 6240-00-880-5998. Verify interchangeability with system specifications before substitution.
Key specifications for 45643: Thread Class: 2A A; Nominal Thread Diameter: 0.250 INCHES IN; Thread Quantity Per Inch: 28; Fastener Length: 1.840 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.