Prevailing torque type hex lock nuts with polyamide insert, with UNC thread, ANSI B18.2.2

d11/4”5/16”3/8”7/16”1/2”5/8”3/4”7/8”1”
# threads/inch2018161413111098
h max99.512131418222828
h min678101116182224
s11.212.814.41619.12427.13236.6