| DOCUMENT TYPE | ENGINEERING DRAWING |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA513 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE AND ASTM A519 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 1ST MATERIAL RESPONSE |
| MATERIAL | STEEL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | TRUCK,UTILITY |
| MOUNTING HOLE QUANTITY | 2 |
| MOUNTING HOLE DIAMETER | 0.343 INCHES NOMINAL |
| MOUNTING HOLE TYPE | THRU HOLE |
| OVERALL DIAMETER | 0.625 INCHES NOMINAL |
| OVERALL THICKNESS | 0.0625 INCHES NOMINAL |
| OVERALL WIDTH | 0.94 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TT-C-490 FED SPEC 1ST TREATMENT RESPONSE AND MIL-DTL-53030 MIL STD 2ND TREATMENT RESPONSE AND A-A-2962 COMMERCIAL ITEM DESCRIPTION 3RD TREATMENT RESPONSE |
| SURFACE TREATMENT | PHOSPHATE AND PRIMER AND ENAMEL |
| SPECIAL FEATURES | TWO 1" LONG X 1/4 THICK TABS EXTEND FROM EACH SIDE OF THE TUBE FOR MOUNTING PURPOSES |
| USAGE DESIGN | VEHICULAR |
| VEHICLE IDENTIFICATION DESIGNATOR | M1279A1 |
| VEHICLE DESIGN CONTROL ACTIVITY | 19207 |