| DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH | 0.250 INCHES NOMINAL |
| DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH | 0.250 INCHES NOMINAL |
| BODY THICKNESS | 0.390 INCHES MINIMUM AND 0.480 INCHES MAXIMUM |
| CROSS-SECTIONAL SHAPE STYLE | FLAT, SQUARE OR RECTANGULAR RIB REINFORCED |
| DISTANCE BETWEEN HOLES ALONG LENGTH | 1.600 INCHES NOMINAL |
| DISTANCE BETWEEN HOLES ALONG WIDTH | 1.790 INCHES NOMINAL |
| FLANGE THICKNESS | 0.050 INCHES NOMINAL |
| HOLE DIAMETER | 0.169 INCHES MINIMUM AND 0.174 INCHES MAXIMUM |
| HOLE QUANTITY ALONG LENGTH | 1 |
| HOLE QUANTITY ALONG WIDTH | 3 |
| LENGTH | 4.290 INCHES MINIMUM AND 4.310 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | COVER ASSEMBLY, ACCESS, HEATER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/11 COND T6 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY |
| MOUNTING OPENING SHAPE STYLE | UNTHREADED HOLE |
| PERIPHERAL SHAPE STYLE | RECTANGLE, MULTI HOLES |
| SECURING DEVICE TYPE | THREADED FASTENER |
| WIDTH | 4.070 INCHES MINIMUM AND 4.090 INCHES MAXIMUM |
| SURFACE TREATMENT | PAINT |