The Screw,machine, cataloged under National Stock Number 5305-01-694-5556, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ludlum Measurements, Inc. Dba Vpi Technology Div Vpi Technology. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-694-5556 |
| Primary Part Number | V042420 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ludlum Measurements, Inc. Dba Vpi Technology Div Vpi Technology |
| Status | ACTIVE |
| Head Height | 0.127 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN |
| Fastener Length | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Thread Length | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Spline Major Diameter | 0.173 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | TORX |
| Thread Quantity Per Inch | 20 |
| Head Diameter | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| 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 |
|---|---|
| V042420 PRIMARY | Ludlum Measurements, Inc. Dba Vpi Technology Div Vpi Technology (USA) |
NSN 5305-01-694-5556 is a Screw,machine, manufactured by Ludlum Measurements, Inc. Dba Vpi Technology Div Vpi Technology, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-694-5556 has 1 manufacturer part number on file: V042420 (Ludlum Measurements, Inc. Dba Vpi Technology Div Vpi Technology).
Key specifications for V042420: Head Height: 0.127 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN; Fastener Length: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Thread Length: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Spline Major Diameter: 0.173 INCHES NOMINAL IN. 10 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.