| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL WASHER |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| OVERALL HEIGHT | 0.627 INCHES MINIMUM AND 0.675 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 1035 OR STEEL COMP 1038 OR STEEL COMP 1045 OVERALL |
| NOMINAL THREAD SIZE | 0.875 INCHES |
| NUT STYLE | HEXAGON |
| WASHER OUTSIDE DIAMETER | 1.450 INCHES MINIMUM AND 1.585 INCHES MAXIMUM |
| WASHER THICKNESS | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | P.S.-132,CODE 50,PS.-1207 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 2B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES | UNEF |
| THREAD QUANTITY PER INCH | 20 |