| EXTENDED WASHER DIAMETER | 1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.116 INCHES MINIMUM AND 0.136 INCHES MAXIMUM |
| FASTENER LENGTH | 4.848 INCHES MINIMUM AND 4.878 INCHES MAXIMUM |
| GRIP DIAMETER | 0.8730 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM |
| GRIP LENGTH | 3.615 INCHES MINIMUM AND 3.635 INCHES MAXIMUM |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.554 INCHES MINIMUM AND 0.594 INCHES MAXIMUM |
| HEAD STYLE | SPLINE EXTENDED WASHER |
| HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
| HOLE DIAMETER | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| HOLE QUANTITY | 4 |
| HOLE TYPE | DRILLED |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 6150 OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.875 INCHES |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.213 INCHES MINIMUM AND 1.263 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 14 |
| WIDTH BETWEEN FLATS | 1.034 INCHES MINIMUM AND 1.042 INCHES MAXIMUM |