The Screw,machine, cataloged under National Stock Number 5305-01-433-9798, 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 13 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 | 5305-01-433-9798 |
| Primary Part Number | 752-6406826-42 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Thread Length | 0.750 INCHES NOMINAL IN |
| Locking Feature Material | PLASTIC POLYAMIDE NYLON |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| 752-6406826-42 PRIMARY | Naval Sea Systems Command (USA) |
| 211049404 | Naval Sea Systems Command (USA) |
NSN 5305-01-433-9798 is a Screw,machine, manufactured by Naval Sea Systems Command, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-433-9798 has 2 manufacturer part numbers on file: 752-6406826-42 (Naval Sea Systems Command), 211049404 (Naval Sea Systems Command).
Key specifications for 752-6406826-42: Head Height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN; Fastener Length: 1.000 INCHES NOMINAL IN; Thread Length: 0.750 INCHES NOMINAL IN; Locking Feature Material: PLASTIC POLYAMIDE NYLON. 13 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.