Used on nssn submarine valve,assy and detail hull and backup towed sonar. 0.468" center hole diameter seal, static square shape, has 2 round corners 2 x r 0.375 to 0.390, flat side 2.000 to 1.985 in, 2 sides 0.990 to 1.000, material peu (polyether urethane)
Used on nssn class submarine valve assy and details hull and backup towed sonar. 1.372" outside diameter seal shear has 4 machine edges; 4 x 0.050 x 45 deg circular
