The Setscrew, cataloged under National Stock Number 5305-00-297-8371, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 18 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-297-8371 |
| Primary Part Number | 23905 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Width Across Flats | 0.094 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Length | 0.370 INCHES MINIMUM IN |
| Thread Class | 3A A |
| Material | STEEL COMP 416F OVERALL |
| Head Height | 0.470 INCHES NOMINAL IN |
| Head Diameter | 0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Point Style | FLAT |
| Thread Quantity Per Inch | 40 |
| Minimum Tensile Strength | 123000 POUNDS PER SQUARE INCH LBS |
| Fastener Length | 0.370 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Head Style | FILLISTER |
| Nominal Thread Diameter | 0.125 INCHES IN |
| Internal Drive Style | HEXAGON |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 23905 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 5305-00-297-8371 is a Setscrew, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-297-8371 has 1 cross-referenced part number: 23905 (Triumph Engine Control Systems Llc).
There are 2 known substitutes for 5305-00-297-8371: 4820-01-291-1375, 3510-01-292-9744. Verify interchangeability with system specifications before substitution.
Key specifications for 23905: Width Across Flats: 0.094 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Surface Treatment: PASSIVATE OVERALL; Thread Length: 0.370 INCHES MINIMUM IN. 18 total characteristics are documented in the Federal Logistics Information System.