The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: FLAT CHAMFER, head_height: 0.188 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.312 INCHES NOMINAL IN, thread_length: 0.281 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-997-7210, 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 | 0.188 INCHES NOMINAL IN |
| thread_class | 2A A |
| head_diameter | 0.312 INCHES NOMINAL IN |
| thread_length | 0.281 INCHES NOMINAL IN |
| fastener_length | 0.656 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| surface_treatment | PASSIVATE OVERALL |
| internal_drive_style | SLOT |
| nominal_thread_diameter | 0.112 INCHES IN |
| first_diameter_from_head | 0.078 INCHES NOMINAL IN |
| NSN | 5305-00-997-7210 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAD DIAMETER | 0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN |
| THREAD DIRECTION | RIGHT-HAND |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FIRST DIAMETER FROM HEAD | 0.381 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN |