| HEAT TREATMENT | T-6 SOLUTION HEAT TREATED, ARTIFICALLY AGED |
| LENGTH | 3.500 INCHES NOMINAL3.500 INCHES NOMINAL |
| MATERIAL | ALUMINUM ALLOY 6061 |
| MOUNTING HOLE DIAMETER | 0.401 INCHES MINIMUM AND 0.421 INCHES MAXIMUM ALL HOLES |
| MOUNTING HOLE QUANTITY | 4 |
| MOUNTING HOLE TYPE | THREADED |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PLATE, LOCK |
| SCREW THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| SHAPE | SQUARE |
| USAGE DESIGN | AIRCRAFT |
| WIDTH | 3.500 INCHES NOMINAL3.500 INCHES NOMINAL |
| THICKNESS | 0.688 INCHES NOMINAL0.688 INCHES NOMINAL |
| THREAD SIZE | 0.3750 |