4 bolt hole quantity 6holes equally spaced on 2.500 in. dia bolt circle; hole dia 0.375 in. 16-unc-3b x 0.560 in. min full thread depth; hole depth 0.910 in. max; csk 90 deg to 0.410 in. dia
20.500" overall length 0.375" overall width item must comply with requirements of defense supply center philadelphiaproduction standard no. P00417nrp rectangular