| CENTER SECTION WIDTH | 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM |
| CENTER SECTION HEIGHT | 1.740 INCHES MINIMUM AND 1.780 INCHES MAXIMUM |
| CENTER SECTION THICKNESS | 0.430 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
| FIRST LEG ANGLE | 0.160 RADIANS MINIMUM AND 0.220 RADIANS MAXIMUM |
| FIRST LEG HOLE ARRANGEMENT STYLE | NO HOLE |
| FIRST LEG THICKNESS | 0.370 INCHES MINIMUM AND 0.410 INCHES MAXIMUM |
| FIRST LEG WIDTH | 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM |
| FIRST LEG LENGTH | 2.130 INCHES MINIMUM AND 2.190 INCHES MAXIMUM |
| FIRST LEG STYLE | SQUARE |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-81556 MIL SPEC SINGLE MATERIAL RESPONSE OR SAE AMS 4911 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | TITANIUM ALLOY |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | BLOCK, MOUNTING |
| PROPRIETARY CHARACTERISTICS | PACS |
| MOUNTING HOLE TYPE | PLAIN |
| SECOND LEG DISTANCE BETWEEN HOLE CENTERS ALONG WIDTH | 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM |
| SECOND LEG ANGLE | 0.160 RADIANS MINIMUM AND 0.220 RADIANS MAXIMUM |
| SECOND LEG HOLE ARRANGEMENT STYLE | TWO HOLES |
| SECOND LEG HOLE DIAMETER | 0.620 INCHES MINIMUM AND 0.633 INCHES MAXIMUM |
| SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH | 0.615 INCHES MINIMUM AND 0.925 INCHES MAXIMUM |
| SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH | 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM |
| SECOND LEG RELATIONSHIP TO FIRST LEG | NOT IDENTICAL |
| SECOND LEG STYLE | SQUARE |
| SECOND LEG THICKNESS | 0.550 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
| SECOND LEG LENGTH | 1.750 INCHES MINIMUM AND 1.790 INCHES MAXIMUM |
| SECOND LEG WIDTH | 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM |
| STYLE DESIGNATOR | DOUBLE ANGLE |