1A4959: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT CHAMFER, head_height: 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.429 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, thread_length: 0.968 INCHES MINIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-274-2650, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | STEEL OVERALL |
| head_style | FLAT CHAMFER |
| head_height | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| thread_class | 3A A |
| head_diameter | 0.429 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| thread_length | 0.968 INCHES MINIMUM IN |
| fastener_length | 1.733 INCHES MINIMUM AND 1.785 INCHES MAXIMUM IN |
| hardness_rating | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| thread_direction | RIGHT-HAND |
| width_across_flats | 0.219 INCHES NOMINAL IN |
| internal_drive_style | HEXAGON |
| nominal_thread_diameter | 0.312 INCHES IN |
| NSN | 5305-00-274-2650 |
| WIDTH ACROSS FLATS | 0.219 INCHES NOMINAL IN |
| HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| FASTENER LENGTH | 1.733 INCHES MINIMUM AND 1.785 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.968 INCHES MINIMUM IN |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES IN |
| HEAD STYLE | FLAT CHAMFER |
| THREAD DIRECTION | RIGHT-HAND |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH LBS |