0.720" hole diameter 0.970" outside diameter 0.0299" material thickness thickness, 0.029 in., id 0.720 in. od 0.970 in. for 0.440 in. at sidesreduced to 0.870 in. od except 0.120 in. w tab at one end extending 0.750in. from center, sides raised to 0.057 in. on 0.250 in. radius, tab LOWERED0.030 in. on 0.060 in. radius beginning 0.560 in. from center phosphate surface treated spring tension
0.494" hole diameter 1.250" outside diameter 0.003" material thickness two finger shaped tabs in lieu of three passivate surface treated spring tension