| COLOR | BLACK OVERALL |
| FASTENER LENGTH | 1.67 INCHES NOMINAL |
| HEAD DIAMETER | 0.636 INCHES MINIMUM AND 0.656 INCHES MAXIMUM |
| HEAD HEIGHT | 0.185 INCHES MINIMUM AND 0.199 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | F835 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,SOCKET,BOTTON HEAD |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SURFACE TREATMENT | BLACK CHEMICAL FINISH OVERALL |
| THREAD LENGTH | 1.50 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 16 |
| WIDTH ACROSS FLATS | 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM |