0398073-1: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.279 INCHES NOMINAL IN, thread_length: 0.178 INCHES NOMINAL IN, screw_material: STEEL COMP 303, fastener_length: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-232-7455, 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 | 0.279 INCHES NOMINAL IN |
| thread_length | 0.178 INCHES NOMINAL IN |
| screw_material | STEEL COMP 303 |
| fastener_length | 0.500 INCHES NOMINAL IN |
| special_features | BLACK OXIDE COATED IAW MIL-C-13924,CL4; GROVE ON SHANK 0.277 IN. FROM TOP OF HEAD 0.018 IN. MIN AND 0.020 IN. MAX W AND 0.102 IN. MIN AND 0.104 IN. MAX DIA IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.138 INCHES IN |
| screw_surface_treatment | PASSIVATE |
| NSN | 5305-01-232-7455 |
| SCREW SURFACE TREATMENT | PASSIVATE |
| FASTENER LENGTH | 0.500 INCHES NOMINAL IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE |
| THREAD LENGTH | 0.178 INCHES NOMINAL IN |
| NOMINAL THREAD DIAMETER | 0.138 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SCREW MATERIAL | STEEL COMP 303 |
| SPECIAL FEATURES | BLACK OXIDE COATED IAW MIL-C-13924,CL4; GROVE ON SHANK 0.277 IN. FROM TOP OF HEAD 0.018 IN. MIN AND 0.020 IN. MAX W AND 0.102 IN. MIN AND 0.104 IN. MAX DIA IN |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
No substitute or cross-reference records for this part.