| APERTURE CORNER RADIUS | 0.120 INCHES MINIMUM AND 0.180 INCHES MAXIMUM |
| APERTURE SHAPE | SQUARE |
| APERTURE TYPE | RECESSED |
| APERTURE LENGTH | 1.940 INCHES NOMINAL |
| APERTURE WIDTH | 0.875 INCHES NOMINAL |
| CORNER RADIUS | 0.060 INCHES NOMINAL |
| FEATURES PROVIDED | APERTURE |
| LENGTH | 2.120 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | T651 ASSN STD 1ST MATERIAL RESPONSE OR T351 ASSN STD 2ND MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 2024 |
| MOUNTING HOLE DIAMETER | 0.112 INCHES NOMINAL ALL HOLES |
| MOUNTING HOLE QUANTITY | 5 |
| RECESS LENGTH | 1.940 INCHES NOMINAL |
| RECESS WIDTH | 0.875 INCHES NOMINAL |
| RECESS DEPTH | 0.090 INCHES NOMINAL |
| SCREW THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| SHAPE | RECTANGULAR |
| WIDTH | 1.500 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | CHROMATE |
| THICKNESS | 0.180 INCHES NOMINAL |
| THREAD SIZE | 0.112-40 |