| APERTURE DIAMETER | 1.680 INCHES NOMINAL |
| BOLT CIRCLE HOLE QUANTITY | 5 |
| COUNTERBORE DIAMETER | 2.055 INCHES MINIMUM AND 2.060 INCHES MAXIMUM |
| COUNTERBORE DEPTH | 0.115 INCHES MINIMUM AND 0.121 INCHES MAXIMUM |
| CROSS-SECTIONAL SHAPE STYLE | RAISED SURFACE W/APERTURE |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM |
| OUTSIDE DIAMETER | 2.800 INCHES NOMINAL |
| OUTSIDE RAISED SURFACE DIAMETER | 2.800 INCHES NOMINAL |
| OVERALL THICKNESS | 0.178 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-6736,COND N MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 6371 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| MINOR THICKNESS | 0.060 INCHES NOMINAL |
| MOUNTING BOLT CIRCLE DIAMETER | 2.375 INCHES NOMINAL |
| MOUNTING HOLE ARRANGEMENT STYLE | SINGLE BOLT HOLE CIRCLE |
| MOUNTING HOLE TYPE | ROUND, THREADED |
| NOMINAL THREAD SIZE | 0.190 INCHES |
| RAISED SURFACE HEIGHT | 0.115 INCHES MINIMUM AND 0.121 INCHES MAXIMUM |
| STYLE DESIGNATOR | ROUND |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 32 |