0.440" hole diameter 0.618" outside diameter 0.025" material thickness consists of 3 waves with load deflection of 3 to 5 lb. wt cadmium surface treated
Used on an/alq-131,block 1. 0.126" hole diameter 0.315" outside diameter 0.020" material thickness material astm a-684/astm a-505 astm a-506/astm a-507 cadmium surface treated spring tension
Used on m1 tank family. 0.5050" hole diameter 0.9700" outside diameter 0.0500" material thickness 0.062 in compressed height at 306lbs to 374 lbs load, 0.050 in flat height at 540 lbs to 660 lbs load spring tension