| BASIC SHAPE STYLE | CHANNEL |
| COLOR CHIP NUMBER | 33446 |
| COLOR | TAN, 686A |
| FABRICATION METHOD | HOT ROLLED |
| HEAT TREATMENT | HOT ROLLED |
| LEFT INSIDE ANGLE | 12.0 RADIANS NOMINAL |
| LENGTH | 830.3 MILLIMETERS NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A1011/A011M ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | C-CHANNEL,COVER SUPPORT |
| MOUNTING HOLE TYPE | SLOTTED |
| MOUNTING HOLE/SLOT QUANTITY | 4 |
| OVERALL WIDTH | 91.5 MILLIMETERS NOMINAL |
| RIGHT INSIDE ANGLE | 12.0 RADIANS NOMINAL |
| SLOT LENGTH | 20.0 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM |
| SLOT QUANTITY | 4 |
| SLOT WIDTH | 10.0 MILLIMETERS NOMINAL |
| SURFACE TREATMENT | PRIMER AND PAINT AND CHEMICAL |
| USAGE DESIGN | VEHICULAR |
| VEHICLE IDENTIFICATION DESIGNATOR | M1157 |
| VEHICLE DESIGN CONTROL ACTIVITY | 19207 |