BB302-5-2: SCREW,MACHINE.
The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.223 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN, thread_length: 0.274 INCHES NOMINAL IN, screw_material: STEEL COMP 431, fastener_length: 0.378 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-00-034-5229, 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 | 3A A |
| head_diameter | 0.223 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN |
| thread_length | 0.274 INCHES NOMINAL IN |
| screw_material | STEEL COMP 431 |
| fastener_length | 0.378 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| countersink_angle | 100.0 DEGREES NOMINAL |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.112 INCHES IN |
| thread_quantity_per_inch | 40 |
| thread_series_designator | UNIFIED NATIONAL COARSE (UNC) |
| NSN | 5305-00-034-5229 |
| FASTENER LENGTH | 0.378 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| THREAD LENGTH | 0.274 INCHES NOMINAL IN |
| NOMINAL THREAD DIAMETER | 0.112 INCHES IN |
| HEAD STYLE | FLAT COUNTERSUNK |
| THREAD DIRECTION | RIGHT-HAND |
| SCREW MATERIAL | STEEL COMP 431 |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |