| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.970 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 2.160 INCHES NOMINAL |
| HEAD DIAMETER | 1.190 INCHES NOMINAL |
| HEAD HEIGHT | 0.110 INCHES NOMINAL |
| HEAD STYLE | ROUND W/WRENCH FLATS |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OVERALL |
| NOMINAL THREAD DIAMETER | 0.438 INCHES |
| SHOULDER DIAMETER | 0.499 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER LENGTH | 1.760 INCHES NOMINAL FIRST SHOULDER |
| SHANK UNTHREADED HOLE DIAMETER | 0.111 INCHES NOMINAL FIRST HOLE |
| WIDTH BETWEEN FLATS | 0.934 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.300 INCHES MINIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 20 |