The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-654-3207, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-654-3207 |
| Primary Part Number | NA0067A040020 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Head Height | 2.20 MILLIMETERS MINIMUM AND 2.50 MILLIMETERS MAXIMUM MM |
| Fastener Length | 19.70 MILLIMETERS MINIMUM AND 20.30 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | AMS2700, METHOD 1, CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 0.7 |
| Thread Length | 19.70 MILLIMETERS MINIMUM AND 20.30 MILLIMETERS MAXIMUM MM |
| Material Document and Classification | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5853 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 4.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 6.85 MILLIMETERS MINIMUM AND 7.00 MILLIMETERS MAXIMUM MM |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | TORQUE-SET RIBBED |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | MJ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| NA0067A040020 PRIMARY | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| NA0067A040020 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-654-3207 is a Screw,cap,socket Head, manufactured by Lockheed Martin Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-654-3207 has 1 manufacturer part number on file: NA0067A040020 (Lockheed Martin Corporation).
Key specifications for NA0067A040020: Head Height: 2.20 MILLIMETERS MINIMUM AND 2.50 MILLIMETERS MAXIMUM MM; Fastener Length: 19.70 MILLIMETERS MINIMUM AND 20.30 MILLIMETERS MAXIMUM MM; Surface Treatment Document and Classification: AMS2700, METHOD 1, CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Pitch in Millimeters: 0.7. 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.
NSN 5305-01-654-3207 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.