The Setscrew, cataloged under National Stock Number 5305-01-226-4095, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-226-4095 |
| Primary Part Number | 743579-1 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Point Diameter | 0.0840 INCHES MINIMUM AND 0.0850 INCHES MAXIMUM IN |
| Point Length | 2.041 INCHES NOMINAL IN |
| Fastener Length | 4.100 INCHES NOMINAL IN |
| Thread Length | 1.500 INCHES MINIMUM AND 1.600 INCHES MAXIMUM IN |
| Hole Configuration Style | ROUND |
| Material Document and Classification | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Features Provided | DRY FILM LUBRICANT |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | BALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 615 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.042 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-01-226-4095 is a Setscrew, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-226-4095 has 2 manufacturer part numbers on file: 743579-1 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 743579-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 743579-1: Point Diameter: 0.0840 INCHES MINIMUM AND 0.0850 INCHES MAXIMUM IN; Point Length: 2.041 INCHES NOMINAL IN; Fastener Length: 4.100 INCHES NOMINAL IN; Thread Length: 1.500 INCHES MINIMUM AND 1.600 INCHES MAXIMUM IN. 19 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.