| SHAPE | RECTANGULAR |
| MATERIAL | ALUMINUM ALLOY 6061 |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-B209 ASSN STD SINGLE MATERIAL RESPONSE OR |
| ASTM-B221 ASSN STD SINGLE MATERIAL RESPONSE |
| HEAT TREATMENT | T-6 SOLUTION HEAT TREATED, ARTIFICALLY AGED |
| COLOR | GREEN, 383 |
| SURFACE TREATMENT | PAINT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C53039 MIL SPEC SINGLE TREATMENT RESPONSE |
| LENGTH | 18.540 INCHES MINIMUM AND |
| 18.580 INCHES MAXIMUM |
| WIDTH | 16.860 INCHES MINIMUM AND |
| 16.900 INCHES MAXIMUM |
| THICKNESS | 0.480 INCHES MINIMUM AND |
| 0.520 INCHES MAXIMUM |
| MOUNTING HOLE QUANTITY | 4 |
| MOUNTING HOLE DIAMETER | 0.250 INCHES NOMINAL ALL HOLES |
| MOUNTING HOLE TYPE | THREADED |
| THREAD SIZE | 0.250-20 |
| SCREW THREAD SERIES DESIGNATOR | UNC |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PLATE,SHELF RISER |