| LENGTH | 11.850 INCHES NOMINAL11.850 INCHES NOMINAL |
| MATERIAL | PLASTIC POLYVINYL CHLORIDE (PVC) |
| MOUNTING HOLE DIAMETER | 0.531 INCHES NOMINAL FIRST HOLE |
| MOUNTING HOLE DIAMETER | 0.188 INCHES NOMINAL ALL HOLES |
| MOUNTING HOLE QUANTITY | 5 AND 2 |
| MOUNTING HOLE TYPE | THREADED |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PLATE, BACKING, CONTAINER, FWD AND AFT SHOE |
| SCREW THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| SHAPE | RECTANGULAR |
| SPECIAL FEATURES | MOUNTING CONFIGURATION: ONE IN EACH CORNER, ONE IN MIDDLE; ALSO TWO LARGER HOLES IN CENTER SET 5.75 IN. APART |
| WIDTH | 4.250 INCHES NOMINAL4.250 INCHES NOMINAL |
| THICKNESS | 0.120 INCHES NOMINAL0.120 INCHES NOMINAL |
| THREAD SIZE | 1/2IN-13 |