| DOCUMENT TYPE | ENGINEERING DRAWING |
| COLOR CHIP NUMBER | 33446 |
| COMPONENT DOCUMENT ORIGIN | GOVERNMENT |
| END ITEM NAME | HATCH |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A36/A36M ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | 40.0 ROCKWELL C NOMINAL |
| MATERIAL | STEEL,CARBON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | COVER,HINGE |
| PROPRIETARY CHARACTERISTICS | PACS |
| MOUNTING HOLE DIAMETER | 0.328 INCHES NOMINAL ALL HOLES |
| MOUNTING HOLE QUANTITY | 3 |
| MOUNTING HOLE TYPE | PLAIN AND THRU HOLE |
| NEXT HIGHER ASSEMBLY DESIGN CONTROL ACTIVITY | 06085 |
| NEXT HIGHER ASSEMBLY IDENTIFICATION DESIGNATOR | M109A7 AND M992A3 |
| OUTSIDE DIAMETER | 4.250 INCHES NOMINAL |
| SHAPE | ROUND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TT-C-490 FED SPEC 1ST TREATMENT RESPONSE AND MIL-P 53030 MIL STD 2ND TREATMENT RESPONSE AND MIL DTL 64159 MIL STD 3RD TREATMENT RESPONSE AND FED STD 595 FED STD 4TH TREATMENT RESPONSE |
| SURFACE TREATMENT | CHEMICAL AND PHOSPHATE ZINC AND PRIMER EPOXY AND PAINT AND PRIMER-HEXAVALENT CHROMIUM FREE |
| THICKNESS | 0.125 INCHES NOMINAL |
| USAGE DESIGN | FULL-TRACKED VEHICLE |