| LENGTH | 475.00 MILLIMETERS NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS5251 H22 NATIONAL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HDSB PROJECT LAUNCHER ENCLOSURE BACKPLATE |
| MOUNTING HOLE QUANTITY | 8 |
| MOUNTING HOLE DIAMETER | 8.00 MILLIMETERS NOMINAL ALL HOLES |
| MOUNTING HOLE TYPE | UNTHREADED |
| SHAPE | RECTANGULAR |
| SPECIAL FEATURES | C/W 25 THREADED BUSHES (M5) |
| WIDTH | 400.00 MILLIMETERS NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DEF STAN 03-18/1 (ALOCHROM 1200) MIL STD SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | CHROMATE |
| THICKNESS | 3.00 MILLIMETERS NOMINAL |