| FASTENER LENGTH | 0.630 INCHES NOMINAL |
| HEAD DIAMETER | 0.716 INCHES MINIMUM AND 0.740 INCHES MAXIMUM |
| HEAD HEIGHT | 0.195 INCHES MINIMUM AND 0.212 INCHES MAXIMUM |
| HEAD STYLE | PAN NO. 2 |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI C1010 THRU C1020 ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI C1115 THRU C1132 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL | STEEL FASTENER |
| MATERIAL | STEEL PRIMARY WASHER |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| PRIMARY WASHER MATERIAL THICKNESS | 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
| PRIMARY WASHER STYLE | FLAT EXTERNAL TEETH |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WASHER QUANTITY | 1 |