The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: FILLISTER, head_height: 0.310 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.312 INCHES NOMINAL IN, thread_length: 0.750 INCHES MINIMUM IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-883-4557, 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 | FILLISTER |
| head_height | 0.310 INCHES NOMINAL IN |
| thread_class | 2A A |
| head_diameter | 0.312 INCHES NOMINAL IN |
| thread_length | 0.750 INCHES MINIMUM IN |
| fastener_length | 2.260 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | PASSIVATE OVERALL |
| internal_drive_style | CROSS RECESS TYPE 1 |
| nominal_thread_diameter | 0.190 INCHES IN |
| first_diameter_from_head | 0.150 INCHES NOMINAL IN |
| NSN | 5305-00-883-4557 |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| NOMINAL THREAD DIAMETER | 0.190 INCHES IN |
| THREAD CLASS | 2A A |
| FIRST DIAMETER FROM HEAD | 0.150 INCHES NOMINAL IN |
| THREAD QUANTITY PER INCH | 32 |
| THREAD LENGTH | 0.750 INCHES MINIMUM IN |
| THREAD SERIES DESIGNATOR | UNF |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| THREAD DIRECTION | RIGHT-HAND |
| HEAD DIAMETER | 0.312 INCHES NOMINAL IN |