Used on periscope universal hull packing. 7.488" center hole diameter spring loaded deep polypak 8-32 unc-3b screws 4; seal ring width is a min of 0.243" & a max of 0.245"
Used on valves, bolted bonnet cast gate, 2-1/2 in, 150 psi. 0.750" center hole diameter end rings material also known as garlock g-700 with corrosion inhibitor
Used on 2-1/2 inch b135 angle s/c valve; 8 inch b135 angle & globe s/c valve with hydraulic motor operator, (30263) dwg no. n-nb13551-hh325. packing gland
