The Screw,machine, cataloged under National Stock Number 5305-00-656-0419, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems. Government technical data includes 16 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 | 5305-00-656-0419 |
| Primary Part Number | 1251628-1 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN |
| Thread Length | 0.777 INCHES MINIMUM AND 0.849 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 1117 |
| Internal Drive Style | SLOT |
| Countersink Angle | 29.0 DEGREES MINIMUM AND 31.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Hole Quantity | 1 |
| Thread Series Designator | UNF |
| Head Hole Configuration Style | ROUND |
| Hole Diameter | 0.062 INCHES NOMINAL IN |
| Head Diameter | 0.750 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 5305-00-656-0419 is a Screw,machine, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-656-0419 has 2 manufacturer part numbers on file: 9053809 (Us Army Aviation and Missile Command), 1251628-1 (Honeywell Intl Inc Defense Avionics Systems).
Key specifications for 1251628-1: Screw Surface Treatment: CADMIUM; Fastener Length: 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN; Thread Length: 0.777 INCHES MINIMUM AND 0.849 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.375 INCHES IN. 16 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.