| SHAPE | IRREGULAR |
| MATERIAL | STEEL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A572/A572M,GRADE 80 ASSN STD SINGLE MATERIAL RESPONSE OR |
| ASTM A656/A656M,GRADE 80 ASSN STD SINGLE MATERIAL RESPONSE |
| DOCUMENT TYPE | INDUSTRIAL DRAWING |
| NEXT HIGHER ASSEMBLY IDENTIFICATION DESIGNATOR | M1157 |
| COMPONENT DOCUMENT ORIGIN | GOVERNMENT |
| LENGTH | 302.0 MILLIMETERS NOMINAL |
| WIDTH | 343.0 MILLIMETERS NOMINAL |
| THICKNESS | 0.375 INCHES NOMINAL |
| MOUNTING HOLE QUANTITY | 12 |
| MOUNTING HOLE DIAMETER | 17.7 MILLIMETERS NOMINAL FIRST HOLE |
| 17.7 MILLIMETERS NOMINAL SECOND HOLE |
| 17.7 MILLIMETERS NOMINAL THIRD HOLE |
| 17.7 MILLIMETERS NOMINAL FOURTH HOLE |
| 13.7 MILLIMETERS NOMINAL FIFTH HOLE |
| 17.7 MILLIMETERS NOMINAL SIXTH HOLE |
| 17.7 MILLIMETERS NOMINAL SEVENTH HOLE |
| 17.7 MILLIMETERS NOMINAL EIGHTH HOLE |
| 17.7 MILLIMETERS NOMINAL NINTH HOLE |
| 13.7 MILLIMETERS NOMINAL TENTH HOLE |
| 17.7 MILLIMETERS NOMINAL ELEVENTH HOLE |
| 17.7 MILLIMETERS NOMINAL TWELFTH HOLE |
| MOUNTING HOLE TYPE | PLAIN AND |
| THRU HOLE |
| USAGE DESIGN | VEHICULAR |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | REINFORCING PLATE,ROADSIDE |