The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-642-3586, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-642-3586 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 5.0 MILLIMETERS NOMINAL MM |
| Head Height | 6.0 MILLIMETERS MAXIMUM MM |
| Fastener Length | 50.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.0 |
| Thread Length | 24.0 MILLIMETERS NOMINAL MM |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | ROUND |
| Material Document and Classification | ISO4762 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Single Shear Strength | ERR-060 |
| Nominal Thread Diameter | 6.0 MILLIMETERS MM |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Minimum Tensile Strength | 5870 POUNDS PER SQUARE INCH LBS |
| Chamfer Angle | 30.0 DEGREES NOMINAL |
| Minimum Yield Strength | 1170 MEGAPASCALS |
| Internal Drive Style | HEXAGON |
| Thread Class | 4G/6G G |
| Material | STEEL OVERALL |
| Hole Quantity | 3 |
| Thread Series Designator | M |
| Hole Type | DRILLED |
| Head Diameter | 10.0 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 |
|---|---|
| 76000H3-M6-1.0-50 | 3/9 Design control — primary reference Unbrako, Llc |
NSN 5305-01-642-3586 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-642-3586: Width Across Flats: 5.0 MILLIMETERS NOMINAL MM; Head Height: 6.0 MILLIMETERS MAXIMUM MM; Fastener Length: 50.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.0. 24 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.