| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL NUT |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| OVERALL HEIGHT | 0.750 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A331 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 4130 OR STEEL COMP 4140 OVERALL |
| NOMINAL THREAD SIZE | 0.750 INCHES |
| NUT STYLE | HEXAGON |
| WASHER OUTSIDE DIAMETER | 1.500 INCHES MINIMUM AND 1.600 INCHES MAXIMUM |
| WASHER THICKNESS | 0.120 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OR ZINC OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES | UNF |