The Screw,machine, cataloged under National Stock Number 5305-01-398-1398, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 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 | 5305-01-398-1398 |
| Primary Part Number | 6027444-0004 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 1.4 MILLIMETERS MINIMUM AND 1.6 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Screw Surface Treatment | ZINC OR NICKEL |
| Fastener Length | 13.58 MILLIMETERS MINIMUM AND 14.42 MILLIMETERS MAXIMUM MM |
| Thread Pitch in Millimeters | 0.45 |
| Thread Length | 14.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 2.5 MILLIMETERS MM |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Minimum Tensile Strength | 113000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Thread Series Designator | M |
| Head Diameter | 4.2 MILLIMETERS MINIMUM AND 4.5 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| 6027444-0004 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5305-01-398-1398 is a Screw,machine, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-398-1398 has 1 manufacturer part number on file: 6027444-0004 (Naval Sea Systems Command).
Key specifications for 6027444-0004: Head Height: 1.4 MILLIMETERS MINIMUM AND 1.6 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Screw Surface Treatment: ZINC OR NICKEL; Fastener Length: 13.58 MILLIMETERS MINIMUM AND 14.42 MILLIMETERS MAXIMUM MM. 14 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.