The Setscrew, cataloged under National Stock Number 5305-00-593-3350, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Textron Systems Corporation Dba Textron Systems Corp. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-593-3350 |
| Primary Part Number | 47-642-105-3 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Textron Systems Corporation Dba Textron Systems Corp |
| Status | ACTIVE |
| Point Length | 0.031 INCHES NOMINAL IN |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Thread Length | 1.500 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Point Chamfer Angle | 45.0 DEGREES NOMINAL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Minimum Tensile Strength | 57000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | COPPER ALLOY 360 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 47-642-105-3 | Textron Systems Corporation Dba Textron Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 47-642-105-3 | 3/2 Design control — primary reference U.S. Government activity |
| 1560H13-150 | 5/2 Secondary reference U.S. Government activity |
| 47-642-105-3 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-00-593-3350 is a Setscrew, manufactured by Textron Systems Corporation Dba Textron Systems Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-593-3350 has 1 manufacturer part number on file: 47-642-105-3 (Textron Systems Corporation Dba Textron Systems Corp).
Key specifications for 47-642-105-3: Point Length: 0.031 INCHES NOMINAL IN; Fastener Length: 1.500 INCHES NOMINAL IN; Thread Length: 1.500 INCHES MAXIMUM IN; Material Document and Classification: QQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.