The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, thread_length: 0.376 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, screw_material: STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-043-6664, 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 | PAN |
| head_height | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| thread_class | 2A A |
| head_diameter | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| thread_length | 0.376 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| screw_material | STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013 |
| fastener_length | 0.438 INCHES NOMINAL IN |
| special_features | FLIGHT SAFETY CRITICAL AIRCRAFT PART |
| thread_direction | RIGHT-HAND |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.138 INCHES IN |
| screw_surface_treatment | CADMIUM AND CHROMATE |
| NSN | 5305-00-043-6664 |
| HEAD HEIGHT | 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN |
| SCREW SURFACE TREATMENT | CADMIUM AND CHROMATE OR ZINC AND CHROMATE |
| INTERNAL DRIVE STYLE | SLOT |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633,EXCEPT BESSEMER COMP FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-409,GRADE 2,3,OR 4 FED SPEC SINGLE MATERIAL RESPONSE |
| FASTENER LENGTH | 0.438 INCHES NOMINAL IN |
| SCREW MATERIAL | STEEL |
| THREAD CLASS | 2A A |
| NONDEFINITIVE SPEC/STD DATA | I TYPE OR 9S STYLE |