| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FASTENER LENGTH | 1.50 INCHES NOMINAL |
| FIRST DIAMETER FROM HEAD | 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM |
| HEAD HEIGHT | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| LOCKING FEATURE | LOCKWASHER SECOND SHOULDER |
| MATERIAL | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX HEAD MACHINE SCREW CAPTIVE PANEL SCREW ASSEMBLY |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| POINT STYLE | FLAT |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH BETWEEN FLATS | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |