| FASTENER LENGTH | 0.188 INCHES NOMINAL |
| HEAD DIAMETER | 0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM |
| HEAD HEIGHT | 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM |
| HEAD STYLE | PAN |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1020 OVERALL |
| NOMINAL THREAD DIAMETER | 0.086 INCHES |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
| PRIMARY WASHER STYLE | SPLIT HELICAL RING |
| PRIMARY WASHER MATERIAL THICKNESS | 0.015 INCHES NOMINAL |
| WASHER QUANTITY | 1 |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.188 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 56 |