5.000" outside diameter bore inside dia. on protruding hub 0.255- .260 in deep. face has 3 equal spaced 0.274- .285 thru holes counterbored 0.403- .414 by 0.25 in deep on 1.500 in dia bolt circle plain, one protruding hub
inching mechanism roller; ductile iron; controlled hardness of 210 brinell max; 7 in nom lg, 4 in nom od, 1.740 in nom id; 42 lugs, 5 holes 0.375-16 unc-2b
4.000" outside diameter center hole keyway 0.078 deep by 0.157 wide; aisi 4140 steel; 2 required on PWA55335 fixture support for F100-200 engine plain, flanged face