Boom support mounting flange (NSN 1680-01-071-0177)
General Description
Aluminum alloy, qq-a-225/6 comp 2024 temper t4; anodized finish, mil-a-8625 type 1 cl 1; 1.485 in. Min, 1.515 in. Max o/a lg; 1st end flanged, 5.240 in. Min, 5.250 in. Max od flange, 0.090 in. Min, 0.095 in. Max thk flange; 3 holes 0.138 in. Min, 0.144 in. Max diameter through flange on 4.750 in. Nom bolt circle dia, holes countersunk 99 min, 101 max degrees by 0.250 in. Min, 0.260 in. Max dia; 2nd end plain, 4.065 in. Min, 4.070 in. Max od body; 3.930 in. Min, 3.940 in. Max id body; 4 holes 0.166 in. Min, 0.169 in. Max diameter through body, 0.125 in. Min, 0.155 in. Max distance from 2nd end to hole centers