The Screw,machine, cataloged under National Stock Number 5305-01-651-3430, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-651-3430 |
| Primary Part Number | NA0067A040016 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Head Height | 2.2 MILLIMETERS MINIMUM AND 2.5 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 4H6H |
| Bearing Surface of Head Surface Finish | 0.8 MICROMETERS |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 15.7 MILLIMETERS MINIMUM AND 16.3 MILLIMETERS MAXIMUM MM |
| Screw Material Document and Classification | NA0026 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| Thread Pitch in Millimeters | 0.7 |
| Thread Length | 15.7 MILLIMETERS MINIMUM AND 16.3 MILLIMETERS MAXIMUM MM |
| Shank Surface Finish | 0.8 MICROMETERS |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Thread Surface Finish | 0.8 MICROMETERS |
| Specification/standard Data | 80205-NA0067 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Width Between Flats | 6.85 MILLIMETERS MINIMUM AND 7.00 MILLIMETERS MAXIMUM MM |
| Screw Material | STEEL CORROSION RESISTING |
| Minimum Tensile Strength | 1100 MEGAPASCALS |
| Chamfer Angle | 10.0 DEGREES MINIMUM AND 20.0 DEGREES MAXIMUM |
| Internal Drive Style | TORQUE SET |
| Thread Series Designator | MJ |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED STD SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| NA0067A040016 | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| NA0067040016 | 5/9 Secondary reference U.S. Government activity |
| NA0067A040016 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-651-3430 is a Screw,machine, manufactured by Lockheed Martin Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-651-3430 has 1 manufacturer part number on file: NA0067A040016 (Lockheed Martin Corporation).
Key specifications for NA0067A040016: Head Height: 2.2 MILLIMETERS MINIMUM AND 2.5 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 4H6H; Bearing Surface of Head Surface Finish: 0.8 MICROMETERS; Screw Surface Treatment: PASSIVATE. 21 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.