Used on 2520-01-626-5061. 3.278" hole diameter 5.392" outside diameter 0.030" material thickness washer, belville spring, 3rd range spring data-load when compressed to height of .190" to be 400-500lbs. spring tension
Used on 2355-01-505-0871. 1.000" hole diameter 2.032" outside diameter 0.062" material thickness belleville washer single spring oxide surface treated spring tension