| BODY STYLE | RECTANGULAR |
| CARD QUANTITY | 21 |
| OVERALL HEIGHT | 0.485 INCHES NOMINAL |
| OVERALL LENGTH | 19.182 INCHES NOMINAL |
| OVERALL WIDTH | 7.480 INCHES MINIMUM AND 7.490 INCHES MAXIMUM |
| MATERIAL | ALUMINUM ALLOY |
| MOUNTING FACILITY TYPE AND QUANTITY | 14 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY |
| MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE(S) SECOND MOUNTING FACILITY |
| NOMINAL THREAD SIZE | 0.138 INCHES SECOND MOUNTING FACILITY |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.152 INCHES MINIMUM AND 0.159 INCHES MAXIMUM FIRST MOUNTING FACILITY |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | CHROMATE |
| THREAD CLASS | 2B SECOND MOUNTING FACILITY |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) SECOND MOUNTING FACILITY |