| BOLT CIRCLE DIAMETER | 3.125 INCHES NOMINAL SECOND MOUNTING FACILITY FIRST CENTER GROUP |
| BOLT CIRCLE DIAMETER | 3.500 INCHES NOMINAL FIRST MOUNTING FACILITY FIRST CENTER GROUP |
| OVERALL DIAMETER | 3.880 INCHES NOMINAL |
| OVERALL HEIGHT | 1.530 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 6061 |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY |
| MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.196 INCHES NOMINAL FIRST MOUNTING FACILITY |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.125 INCHES NOMINAL SECOND MOUNTING FACILITY |
| STYLE DESIGNATOR | CUP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE OR 580-0036-000 MFR REF 2ND TREATMENT RESPONSE |
| SURFACE TREATMENT | CHROMATE |