A1635-39: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, thread_length: 0.499 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN, screw_material: STEEL COMP 8630. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-421-1545, 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 | FILLISTER |
| head_height | 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN |
| thread_class | 3A A |
| head_diameter | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| thread_length | 0.499 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| screw_material | STEEL COMP 8630 |
| fastener_length | 0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.164 INCHES IN |
| thread_quantity_per_inch | 32 |
| thread_series_designator | UNIFIED NATIONAL COARSE (UNC) |
| NSN | 5305-01-421-1545 |
| HEAD HEIGHT | 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN |
| FASTENER LENGTH | 0.531 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| THREAD LENGTH | 0.499 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| NOMINAL THREAD DIAMETER | 0.164 INCHES IN |
| HEAD STYLE | FILLISTER |
| THREAD DIRECTION | RIGHT-HAND |
| SCREW MATERIAL | STEEL COMP 8630 |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| THREAD CLASS | 3A A |
| THREAD QUANTITY PER INCH | 32 |
No substitute or cross-reference records for this part.