Used on hatch ballist. 2.562" hole diameter 0.250" material thickness four drilled holes 7/32 diameter; 1/8 inch wide mark 1 1/2 inch long engraved key
Used on engine, aircraft f100-pw-229. 2.530" hole diameter 2.890" outside diameter 0.024" material thickness washer has 4 equally spaced recessed parts, 2 on each side key
Used on 2835013692818,blackhawk helicopter. 0.925" hole diameter 1.155" outside diameter 0.033" material thickness one prebent key with radius of .010 +/- .005 passivate surface treated key