seal, fuel seal is contained in a surf housing 0.980-0.984 dia, 0.077 -0.085 deap; seal is mushroom shaped; seal is capable of operating with zero leakage when used with mil-t-5624 grade jp-5 between -65 to + 325 deg f with a fluid pressure of 0-800 psig, mil-t-5624 grade jp-5 with anti icing aditives up to .15 percent by volume M51 to +325 deg f at 0-800 psig fluid pressure, astm-D4814 gasoline automotive combat M65 to +210 deg f at fluid pressure 0-800 psig