A0L4163-312: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.249 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN, thread_length: 0.350 INCHES MINIMUM IN, screw_material: IRON ALLOY 660, fastener_length: 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-655-6064, 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.
| head_style | FLAT COUNTERSUNK |
| thread_class | 2A A |
| head_diameter | 0.249 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN |
| thread_length | 0.350 INCHES MINIMUM IN |
| screw_material | IRON ALLOY 660 |
| fastener_length | 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| hardness_rating | 36.0 ROCKWELL C NOMINAL |
| thread_direction | RIGHT-HAND |
| countersink_angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.190 INCHES IN |
| screw_surface_treatment | PASSIVATE |
| NSN | 5305-00-655-6064 |
| SCREW SURFACE TREATMENT | PASSIVATE |
| FASTENER LENGTH | 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE |
| THREAD LENGTH | 0.350 INCHES MINIMUM IN |
| HARDNESS RATING | 36.0 ROCKWELL C NOMINAL |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SCREW MATERIAL | IRON ALLOY 660 |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH LBS |
No substitute or cross-reference records for this part.