The Thumbscrew, cataloged under National Stock Number 5305-01-381-3873, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Jergens Inc Div Tooling Components Division. Government technical data includes 15 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-381-3873 |
| Primary Part Number | 43902 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Jergens Inc Div Tooling Components Division |
| Status | ACTIVE |
| Surface Treatment | OXIDE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Color | BLACK OVERALL |
| Material | STEEL OVERALL |
| Fastener Length | 1.625 INCHES NOMINAL IN |
| Head Diameter | 0.750 INCHES NOMINAL IN |
| Head Height | 0.313 INCHES NOMINAL IN |
| Thread Length | 1.391 INCHES NOMINAL IN |
| Point Style | HALF DOG |
| Head Style | KNURLED NO. 5 |
| Thread Quantity Per Inch | 24 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment Document and Classification | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE AND AMS2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Class | 2A A |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| PWA70141-19 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 43902 PRIMARY | Jergens Inc Div Tooling Components Division (USA) |
NSN 5305-01-381-3873 is a Thumbscrew, manufactured by Jergens Inc Div Tooling Components Division, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-381-3873 has 2 cross-referenced part numbers: PWA70141-19 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 43902 (Jergens Inc Div Tooling Components Division).
There are 7 known substitutes for 5305-01-381-3873: 5950-00-151-7891, 5330-00-178-2190, 6615-00-235-7554 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 43902: Surface Treatment: OXIDE OVERALL; Nominal Thread Diameter: 0.190 INCHES IN; Color: BLACK OVERALL; Material: STEEL OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.