| APERTURE DIAMETER | 1.490 INCHES MINIMUM AND 1.530 INCHES MAXIMUM |
| APERTURE SHAPE | ROUND |
| APERTURE TYPE | COUNTERBORED |
| COUNTERBORE DIAMETER | 1.490 INCHES MINIMUM AND 1.530 INCHES MAXIMUM |
| COUNTERBORE DEPTH | 0.028 INCHES NOMINAL |
| LENGTH | 53.620 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | CHANNEL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM 5456, TEMPER H116 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY 5456 |
| MOUNTING HOLE DIAMETER | 0.435 INCHES MINIMUM AND 0.444 INCHES MAXIMUM ALL HOLES |
| MOUNTING HOLE QUANTITY | 2 |
| SHAPE | RECTANGULAR |
| SPECIAL FEATURES | BRACKET HAS (2) APERTURE HOLES, EACH HOLE HAS (6) HOLES (.19-24UNC-2B) SURROUNDING APERTURE FOR HELICAL INSERT; SEE DRAWING FOR OTHER SPECIFICATIONS. |
| WIDTH | 4.000 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625, TYPE 2, CLASS 2, BLACK MIL SPEC SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | ANODIZE |