Used on 2355-22-622-7966. 17.0mm hole diameter 6.4mm outside diameter 1.6mm material thickness wave washer per mcmaster carr part number has multiple sources spring tension
Used on f-15sa acft. 0.255" hole diameter 0.500" outside diameter 0.038" material thickness s/s belleville disc spring working load 190 lbs, flat load 400 lbs spring tension
Used on f/a-18 aircraft. 0.402" hole diameter 0.765" outside diameter 0.020" material thickness washer, spring tension - belleville oil surface treated spring tension