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: 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, screw_material: STEEL OR STEEL COMP 1010, fastener_length: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-156-2870, 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 | 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| screw_material | STEEL OR STEEL COMP 1010 |
| fastener_length | 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.138 INCHES IN |
| screw_surface_treatment | CADMIUM |
| minimum_tensile_strength | 55000 POUNDS PER SQUARE INCH LBS |
| NSN | 5305-00-156-2870 |
| NOMINAL THREAD DIAMETER | 0.138 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD CLASS | 2A A |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH LBS |
| HEAD DIAMETER | 0.249 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| SCREW SURFACE TREATMENT | CADMIUM |
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |