The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-156-5441, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 10 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-156-5441 |
| Primary Part Number | 187425 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Thread Length | 1.125 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 14 |
| Thread Class | 2A A |
| Width Between Flats | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Fastener Length | 5.250 INCHES MINIMUM IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Height | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-01-156-5441 is a Screw,cap,hexagon Head, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-156-5441 has 2 cross-referenced part numbers: 187425 (Rolls-Royce Solutions America Inc), 1DD722 (Oshkosh Corp).
There are 2 known substitutes for 5305-01-156-5441: 5306-00-174-4312, 5305-00-841-6485. Verify interchangeability with system specifications before substitution.
Key specifications for 187425: Nominal Thread Diameter: 0.438 INCHES IN; Thread Length: 1.125 INCHES NOMINAL IN; Thread Quantity Per Inch: 14; Thread Class: 2A A. 10 total characteristics are documented in the Federal Logistics Information System.