| DISTANCE FROM CENTER OF HEAD TO CENTER OF SHANK | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| FASTENER LENGTH | 0.810 INCHES NOMINAL |
| HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |
| HEAD HEIGHT | 0.180 INCHES NOMINAL |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SPECIAL FEATURES | END SLOTTED 0.030 IN. WIDE BY 0.040 IN. DEEP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 32 |