| FASTENER LENGTH | 1.000 INCHES NOMINAL |
| HEAD DIAMETER | 0.260 INCHES MAXIMUM |
| HEAD HEIGHT | 0.103 INCHES MAXIMUM |
| HEAD STYLE | ROUND |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL | STEEL COMP 1010 OR STEEL COMP 1020 FASTENER |
| MATERIAL | RUBBER SYNTHETIC PRIMARY WASHER |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| PRIMARY WASHER MATERIAL THICKNESS | 0.077 INCHES MAXIMUM |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.360 INCHES MAXIMUM |
| PRIMARY WASHER STYLE | FLAT |
| SPECIAL FEATURES | RUBBER WASHER BONDED TO METAL RETAINER,COLOR BLACK |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 1 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | CADMIUM AND PAINT OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.923 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WASHER QUANTITY | 1 |