| FIRST STEP DIAMETER | 21.7 MILLIMETERS MINIMUM AND 21.9 MILLIMETERS MAXIMUM |
| FIRST STEP LENGTH | 23.9 MILLIMETERS MINIMUM AND 24.1 MILLIMETERS MAXIMUM |
| HEAD LENGTH | 20.0 MILLIMETERS NOMINAL |
| HEAD STYLE | ROUND |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 1022 TO 1028 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PIN |
| PIN HEAD DIAMETER | 37.4 MILLIMETERS MINIMUM AND 38.1 MILLIMETERS MAXIMUM |
| SECOND STEP DIAMETER | 0.750 INCHES NOMINAL |
| SECOND STEP LENGTH | 19.8 MILLIMETERS MINIMUM AND 20.2 MILLIMETERS MAXIMUM |
| STYLE DESIGNATOR | SHOULDER |
| UNDER HEAD LENGTH | 43.7 MILLIMETERS MINIMUM AND 44.3 MILLIMETERS MAXIMUM |