| COUNTERBORE DIAMETER | 0.437 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| COUNTERBORE DEPTH | 0.310 INCHES MINIMUM AND 0.530 INCHES MAXIMUM |
| DISTANCE FROM MOUNTING HOLE CENTER TO END | 0.500 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| FIRST FLAT LENGTH | 1.590 INCHES NOMINAL |
| FLAT HEIGHT | 0.590 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5640,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OVERALL |
| MOUNTING HOLE DIAMETER | 0.297 INCHES MINIMUM AND 0.386 INCHES MAXIMUM |
| MOUNTING HOLE DEPTH | 1.140 INCHES MINIMUM AND 1.220 INCHES MAXIMUM |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.250 INCHES |
| MOUNTING HOLE THREAD CLASS | 2B |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF |
| MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED AND 2 UNTHREADED-COUNTERBORED |
| OVERALL HEIGHT | 2.230 INCHES NOMINAL |
| OVERALL LENGTH | 2.180 INCHES NOMINAL |
| OVERALL WIDTH | 1.000 INCHES NOMINAL |
| STARTING EDGE SHAPE | STRAIGHT |
| STYLE DESIGNATOR | STEPPED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-81773 WITH FEDERAL STANDARD 595 NUMBER 17875,COLOR INSIGNIA WHITE MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PLASTIC POLYURETHANE OVERALL |