The Thumbscrew, cataloged under National Stock Number 5305-00-458-2011, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-458-2011 |
| Primary Part Number | 4056 |
| Item Name | Thumbscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Point Style | FLAT |
| Head Diameter | 1.000 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment Document and Classification | QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hardness Rating | 75.0 ROCKWELL B MINIMUM AND 83.0 ROCKWELL B MAXIMUM OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Head Style | KNURLED NO. 1 |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Thread Direction | RIGHT-HAND |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Head Height | 0.188 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 82A5050A0134 | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
| 4056 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 5305-00-458-2011 is a Thumbscrew, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-458-2011 has 2 cross-referenced part numbers: 82A5050A0134 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service), 4056 (Roller Bearing Co of America, Inc Div Pic Design).
There are 12 known substitutes for 5305-00-458-2011: 5940-00-681-8183, 6210-00-782-1726, 5910-00-808-1972 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4056: Point Style: FLAT; Head Diameter: 1.000 INCHES NOMINAL IN; Material Document and Classification: QQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment Document and Classification: QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.