S1510-23008-1

General Characteristics Item Description: Steel, MIL-S-5000 comp 4340 cond C, shape, cylinder, flanged, dim., 5.500 in. min, 5.501 in. max O/a lg, 3.500 in. nom flange od, 0.685 in. min, 0.688 in. max flange W, 2.1255 in. min, 2.1260 in. max id, 2.4995 in. min, 2.5000 in. max od, 2.4375-16 class 3A threads on left end od by 0.750 in. lg, four equally spaced keyways on left end threads 0.3125 in. W by 0.0887 in. deep, twelve 0.437 in. dia holes drilled in flange face 0.450 in. deep on 2.825 in. dia bolt circle, item used on main rotor hinge assembly