| CENTER SECTION HEIGHT | 4.000 INCHES NOMINAL |
| CENTER SECTION WIDTH | 27.938 INCHES MINIMUM AND 28.062 INCHES MAXIMUM |
| FIRST LEG DISTANCE BETWEEN FIRST AND SECOND HOLE CENTERS ALONG WIDTH | 8.000 INCHES NOMINAL |
| FIRST LEG DISTANCE BETWEEN HOLE CENTERS ALONG WIDTH | 25.500 INCHES NOMINAL |
| FIRST LEG DISTANCE BETWEEN SECOND AND THIRD HOLE CENTERS ALONG WIDTH | 7.500 INCHES NOMINAL |
| FIRST LEG ANGLE | 90.0 DEGREES NOMINAL |
| FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH | 1.250 INCHES NOMINAL |
| FIRST LEG HOLE ARRANGEMENT STYLE | FOUR HOLES |
| FIRST LEG HOLE DIAMETER | 0.562 INCHES NOMINAL |
| FIRST LEG STYLE | SQUARE |
| FIRST LEG WIDTH | 27.938 INCHES MINIMUM AND 28.062 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A36 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| MOUNTING HOLE TYPE | PLAIN |
| SPECIAL FEATURES | 2.312 IN. FROM EDGE TO FIRST HOLE CENTER IN CENTER SECTION; 3.812 IN. DISTANCE BETWEEN FIRST AND SECOND HOLE CENTERS IN CENTER SECTION; 15.750 IN. DISTANCE BETWEEN SECOND AND THIRD HOLE CENTERS CENTER SECTION; 3.812 IN. DISTANCE BETWEEN THIRD AND FOURTH HOLE CENTERS CENTER SECTION |
| SECOND LEG ANGLE | 90.0 DEGREES NOMINAL |
| SECOND LEG RELATIONSHIP TO FIRST LEG | NOT IDENTICAL |
| SECOND LEG STYLE | SQUARE |
| SECOND LEG HOLE ARRANGEMENT STYLE | NO HOLE |
| SECOND LEG WIDTH | 27.938 INCHES MINIMUM AND 28.062 INCHES MAXIMUM |
| STYLE DESIGNATOR | ADJACENT ANGLES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TT-E-529 FED SPEC 1ST TREATMENT RESPONSE OR TT-E-489 FED SPEC 2ND TREATMENT RESPONSE OR TT-E-485 FED SPEC 1ST TREATMENT RESPONSE |
| SURFACE TREATMENT | ENAMEL SEMIGLOSS OR ENAMEL |