The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-656-8938, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-656-8938 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Surface Finish | 0.8 MICROMETERS OVERALL |
| Width Across Flats | 2.52 MILLIMETERS MINIMUM AND 2.56 MILLIMETERS MAXIMUM MM |
| Head Height | 2.89 MILLIMETERS MINIMUM AND 3.00 MILLIMETERS MAXIMUM MM |
| Fastener Length | 7.7 MILLIMETERS MINIMUM AND 8.3 MILLIMETERS MAXIMUM MM |
| Surface Treatment Document and Classification | AMS2700,METHOD 1,CLASS 4 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Pitch in Millimeters | 0.5 |
| Thread Length | 7.7 MILLIMETERS MINIMUM AND 8.3 MILLIMETERS MAXIMUM MM |
| Material Document and Classification | AMS5731,AMS5732,AMS5737 OR AMS5853 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 3.0 MILLIMETERS MM |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NA0069 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 4930 NEWTONS PER SQUARE MILLIMETER |
| Chamfer Angle | 0.30 RADIANS MAXIMUM |
| Internal Drive Style | HEXAGON |
| Thread Class | 4H6H |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | MJ |
| Head Diameter | 5.32 MILLIMETERS MINIMUM AND 5.50 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 |
| Reference | Meaning |
|---|---|
| NA0069-030008 | 5/9 Secondary reference U.S. Government activity |
| NA0069A030008 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-656-8938 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-656-8938: Surface Finish: 0.8 MICROMETERS OVERALL; Width Across Flats: 2.52 MILLIMETERS MINIMUM AND 2.56 MILLIMETERS MAXIMUM MM; Head Height: 2.89 MILLIMETERS MINIMUM AND 3.00 MILLIMETERS MAXIMUM MM; Fastener Length: 7.7 MILLIMETERS MINIMUM AND 8.3 MILLIMETERS MAXIMUM MM. 20 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.