| FIRST LEG ANGLE | 90.0 DEGREES NOMINAL |
| FIRST LEG DISTANCE BETWEEN FIRST AND SECOND HOLE CENTERS ALONG WIDTH | 1.906 INCHES NOMINAL |
| FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH | 3.206 INCHES NOMINAL |
| FIRST LEG HOLE ARRANGEMENT STYLE | FOUR HOLES |
| FIRST LEG HOLE DIAMETER | 0.201 INCHES MINIMUM AND 0.207 INCHES MAXIMUM |
| FIRST LEG DISTANCE BETWEEN HOLE CENTERS ALONG WIDTH | 10.000 INCHES NOMINAL |
| FIRST LEG DISTANCE BETWEEN SECOND AND THIRD HOLE CENTERS ALONG WIDTH | 4.888 INCHES NOMINAL |
| FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH | 0.094 INCHES NOMINAL |
| FIRST LEG STYLE | SQUARE |
| FIRST LEG THICKNESS | 0.125 INCHES NOMINAL |
| FIRST LEG WIDTH | 18.540 INCHES MINIMUM AND 18.570 INCHES MAXIMUM |
| FIRST LEG LENGTH | 0.781 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BRACKET, LOWER SONAR, CENTER RACK |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B209, TEMPER H32 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 5052 |
| MOUNTING HOLE TYPE | PLAIN |
| SECOND LEG DISTANCE BETWEEN HOLE CENTERS ALONG LENGTH | 1.125 INCHES NOMINAL |
| SECOND LEG HOLE ARRANGEMENT STYLE | FOUR HOLES |
| SECOND LEG HOLE DIAMETER | 0.201 INCHES MINIMUM AND 0.207 INCHES MAXIMUM |
| SECOND LEG DISTANCE BETWEEN HOLE CENTERS ALONG WIDTH | 5.000 INCHES NOMINAL |
| SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH | 3.358 INCHES NOMINAL |
| SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH | 1.063 INCHES NOMINAL |
| SECOND LEG THICKNESS | 0.125 INCHES NOMINAL |
| SECOND LEG WIDTH | 18.540 INCHES MINIMUM AND 18.570 INCHES MAXIMUM |
| SECOND LEG LENGTH | 8.750 INCHES NOMINAL |
| SECOND LEG RELATIONSHIP TO FIRST LEG | NOT IDENTICAL |
| SECOND LEG STYLE | SQUARE |
| SPECIAL FEATURES | FIRST LEG HAS 3 SLOTS, 0.500 W, OPEN ON BOTTOM EDGE; 2ND LEG HAS ANOTHER ROW OF HOLES WITH SAME DIA. AS FIRST 2 ROWS, CENTERED 1.063 IN. FROM RT EDGE AND 4.266 AND 5.391 INCHES FROM TOP EDGE; 2ND LEG HAS 2 LARGE CUTOUTS: AN OVAL, 3.000 IN. W X 5.500 IN. H, CENTERED BETWEEN CENTER AND RIGHT ROWS OF HOLES, AND A RECTANGLE WITH ROUNDED CORNERS, 5.000 IN. W X 5.500 IN. H, CENTERED BETWEEN THE CENTER AND LEFT ROWS OF HOLES; 2ND LEG HAS A LIP WITH 4 HOLES, 1.200 IN. W X 8.750 IN. L ALONG THE UNDERSIDE OF RIGHT EDGE AND A LIP WITH ONE HOLE ).550 IN. W X 2.250 IN. L, FLUSH WITH FRONT EDGE, ALONG LEFT EDGE OF BRACKET |
| STYLE DESIGNATOR | ANGLE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | CHROMATE |