The SPEAKER,EXTERNAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: FLAT CHAMFER, head_height: 0.187 INCHES NOMINAL IN, head_diameter: 0.375 INCHES NOMINAL IN, thread_length: 0.250 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-146-5701, 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.
| material | STEEL COMP 303 OVERALL |
| head_style | FLAT CHAMFER |
| head_height | 0.187 INCHES NOMINAL IN |
| head_diameter | 0.375 INCHES NOMINAL IN |
| thread_length | 0.250 INCHES MAXIMUM IN |
| shoulder_shape | ROUND FIRST SHOULDER |
| fastener_length | 0.625 INCHES NOMINAL IN |
| shoulder_length | 0.375 INCHES NOMINAL FIRST SHOULDER IN |
| thread_direction | RIGHT-HAND |
| shoulder_diameter | 0.249 INCHES NOMINAL FIRST SHOULDER IN |
| width_across_flats | 0.125 INCHES NOMINAL IN |
| internal_drive_style | HEXAGON |
| NSN | 5305-00-146-5701 |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.250 INCHES MAXIMUM IN |
| THREAD QUANTITY PER INCH | 32 |
| SHOULDER DIAMETER | 0.249 INCHES NOMINAL FIRST SHOULDER IN |
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| WIDTH ACROSS FLATS | 0.125 INCHES NOMINAL IN |
| SHOULDER LENGTH | 0.375 INCHES NOMINAL FIRST SHOULDER IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HEAD STYLE | FLAT CHAMFER |