The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: KNURLED NO. 1, head_height: 0.250 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.563 INCHES NOMINAL IN, thread_length: 0.500 INCHES NOMINAL 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 5306-01-498-3858, 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 OVERALL |
| head_style | KNURLED NO. 1 |
| head_height | 0.250 INCHES NOMINAL IN |
| thread_class | 3A A |
| head_diameter | 0.563 INCHES NOMINAL IN |
| thread_length | 0.500 INCHES NOMINAL IN |
| fastener_length | 1.750 INCHES NOMINAL IN |
| locking_feature | PELLET THREADS |
| thread_direction | RIGHT-HAND |
| width_across_flats | 0.188 INCHES NOMINAL IN |
| internal_drive_style | HEXAGON |
| end_item_identification | F-22 |
| NSN | 5306-01-498-3858 |
| INTERNAL DRIVE STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| FIRST DIAMETER FROM HEAD | 0.375 INCHES NOMINAL IN |
| END ITEM IDENTIFICATION | F-22 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.250 INCHES NOMINAL IN |
| WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL IN |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | ALLOY STD SHOULDER SCREW/LOCKING PELLET 3/8" SHLDER DIA, 1-1/4" SHLDER LG, 5/16"-18 THREAD |
| THREAD LENGTH | 0.500 INCHES NOMINAL IN |
| FASTENER LENGTH | 1.750 INCHES NOMINAL IN |