The Setscrew, cataloged under National Stock Number 5305-00-527-5525, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Raytheon Company Dba Raytheon. Government technical data includes 14 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-527-5525 |
| Primary Part Number | 21148 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Raytheon Company Dba Raytheon |
| Status | ACTIVE |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | PASSIVATE OVERALL |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 303 OVERALL |
| Width Across Flats | 0.062 INCHES NOMINAL IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | CONE |
| Thread Length | 0.438 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Fastener Length | 0.438 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 32 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21148 PRIMARY | Raytheon Company Dba Raytheon (USA) |
NSN 5305-00-527-5525 is a Setscrew, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-527-5525 has 1 cross-referenced part number: 21148 (Raytheon Company Dba Raytheon).
There are 7 known substitutes for 5305-00-527-5525: 5920-00-280-3178, 6625-00-395-9313, 5999-01-095-5354 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21148: Internal Drive Style: HEXAGON; Thread Class: 2A A; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Surface Treatment: PASSIVATE OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.