| BODY THICKNESS | 0.090 INCHES NOMINAL |
| CORNER RADIUS | 0.120 INCHES NOMINAL |
| CROSS-SECTIONAL SHAPE STYLE | SQUARE OR RECTANGULAR RECESS |
| DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH | 2.180 INCHES MINIMUM AND 2.260 INCHES MAXIMUM |
| DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH | 2.210 INCHES NOMINAL |
| FEATURES PROVIDED | OBSERVATION FACILITY |
| FIRST RECESS INSIDE HEIGHT | 1.410 INCHES NOMINAL |
| FLANGE THICKNESS | 0.090 INCHES NOMINAL |
| INSIDE CORNER RADIUS | 0.120 INCHES NOMINAL |
| INSIDE WIDTH | 4.250 INCHES NOMINAL |
| INSIDE LENGTH | 5.050 INCHES NOMINAL |
| LENGTH | 5.230 INCHES MINIMUM AND 5.260 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/8,H32 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 5052 |
| PERIPHERAL SHAPE STYLE | RECTANGLE, ONE CENTER HOLE |
| MOUNTING OPENING SHAPE STYLE | CLOSED VERTICAL SLOT |
| SECURING DEVICE TYPE | SPECIAL |
| SLOT LENGTH | 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| SLOT WIDTH | 0.157 INCHES MINIMUM AND 0.197 INCHES MAXIMUM |
| SPECIAL FEATURES | 1 ADDITIONAL HOLE 0.422 IN. DIA 2.200 IN. FROM EDGE ALONG W AND 1.000 IN. FROM BOTTOM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | CHROMATE |
| WIDTH | 4.430 INCHES MINIMUM AND 4.460 INCHES MAXIMUM |