| DOCUMENT TYPE | INDUSTRIAL DRAWING |
| COLOR CHIP NUMBER | 33446 |
| COLOR | TAN, 686A |
| COMPONENT DOCUMENT ORIGIN | INDUSTRIAL |
| COMPONENT QUANTITY | 1 |
| HEAT TREATMENT | H-32 STRAIN HARDENED, STABILIZED TO 1/4 HARD |
| LENGTH | 542.2 MILLIMETERS NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B209 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 5052 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | COVER,TU,RAIL |
| PROPRIETARY CHARACTERISTICS | PACS |
| MOUNTING HOLE QUANTITY | 4 |
| MOUNTING HOLE DIAMETER | 12.0 MILLIMETERS NOMINAL FIRST HOLE |
| MOUNTING HOLE DIAMETER | 12.0 MILLIMETERS NOMINAL SECOND HOLE |
| MOUNTING HOLE DIAMETER | 12.0 MILLIMETERS NOMINAL THIRD HOLE |
| MOUNTING HOLE TYPE | PLAIN AND THRU HOLE |
| MOUNTING METHOD | SCREW |
| NEXT HIGHER ASSEMBLY DESIGN CONTROL ACTIVITY | 19207 |
| NEXT HIGHER ASSEMBLY IDENTIFICATION DESIGNATOR | M1281 |
| SHAPE | FLAT AND RECTANGULAR |
| WIDTH | 249.3 MILLIMETERS NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL DTL 5541,TYPE II,CLASS 1A MIL STD 1ST TREATMENT RESPONSE AND MIL DTL 53022,TYPE IV MIL STD 2ND TREATMENT RESPONSE AND MIL DTL 53039,TYPE IV MIL STD 3RD TREATMENT RESPONSE OR TT-C-490,TYPE 1 FED SPEC 1ST TREATMENT RESPONSE AND MIL DTL 53084 MIL STD 2ND TREATMENT RESPONSE OR A-A 52474 COMMERCIAL ITEM DESCRIPTION 2ND TREATMENT RESPONSE AND MIL DTL 53036,TYPE IV MIL STD 3RD TREATMENT RESPONSE |
| SURFACE TREATMENT | PRIMER-HEXAVALENT CHROMIUM FREE AND CHEMICAL AND PRIMER EPOXY-LEAD AND CHROMIUM FREE AND CARC (CHEMICAL AGENT RESISTANT COATING), ALIPHATIC POLYURETHANE OR PHOSPHATE ZINC AND PRIMER EPOXY AND CARC (CHEMICAL AGENT RESISTANT COATING), ALIPHATIC POLYURETHANE |
| THICKNESS | 2.29 MILLIMETERS NOMINAL |
| USAGE DESIGN | VEHICULAR |