1157M31P01: SCREW,CAP,SOCKET HEAD.
The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, hole_type: DRILLED, head_style: FLAT CHAMFER, head_height: 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.457 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-221-3494, 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 | IRON ALLOY 660 OVERALL |
| hole_type | DRILLED |
| head_style | FLAT CHAMFER |
| head_height | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| thread_class | 3A A |
| head_diameter | 0.457 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN |
| hole_diameter | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| hole_quantity | 6 |
| thread_length | 1.660 INCHES MINIMUM AND 1.803 INCHES MAXIMUM IN |
| surface_finish | 32.0 MICROINCHES THREADS |
| fastener_length | 2.220 INCHES MINIMUM AND 2.280 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| NSN | 5305-01-221-3494 |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| WIDTH ACROSS FLATS | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| FASTENER LENGTH | 2.220 INCHES MINIMUM AND 2.280 INCHES MAXIMUM IN |
| THREAD LENGTH | 1.660 INCHES MINIMUM AND 1.803 INCHES MAXIMUM IN |
| HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES IN |
| HEAD STYLE | FLAT CHAMFER |
| THREAD DIRECTION | RIGHT-HAND |
No substitute or cross-reference records for this part.