MRC:
A recording of the physical,functional,and performance characteristics for an item of supply.TEXT
General Description:
Aluminum alloy qq-a-601 alloy 356-t6 anodized bps fw4001 plate, aluminumalloy comp 2024-t4 or t351 anodized bps fw4001 ring, shape hexagon w/extension at 72.0 deg, dim., 1.600 in. Nom o/a thk, 11.670 in. Nom o/a lg, 6.970 in. Nomdistance across hex flats, 5.550 in. Nom center internal flange id by 0.500 in. W, 5.750 in. Min, 5.755 in. Maximum leftid counterbore by 0.600 in. Deep, 6.248in. Min, 6.253 in. Maximum right id counterbore by 0.500 in. Deep, six mounting holes 0.318 in. Diameter equally spaced on 3.562 in. Bolt circle dia, 3.500 in. Nom extension w, 1.750 in. End radius, 0.930in. Nom thk, 2.800 in. Id counterbore by 0.830 in. Deep, one center extensiontapped w/0.250-18 unf class 3b threads0.380 in. Deep, ring insert dim., 5.7645in. Nom od, 5.450 in. Nom id, 0.565 in. Nom lg, item used on hub assembly main rotor outboard section