3a all ends thread class mtg flange 1.000 in. w, w/two mtg holes 0.257 in. dia, countersunk 0.512 in. dia, 1.432 in. bolt hole c to c; center hole 0.810 in. dia flared w/ center wrenching facility unjf all ends thread series
Used on f/a-18 hornet aircraft. 3a all ends thread class weapon system essential; ion vapor deposit (ivd) aluminum finish aluminum surface treated flared w/ center wrenching facility unjf all ends thread series
3a all ends thread class 12 all ends thread quantity per inch two lockwire holes 0.070 in. nom dia located 180 deg apart on hex points flared w/ center wrenching facility un all ends thread series
2a all ends thread class 16 all ends thread quantity per inch o-ring groove 0.563 in. od, width 0.104 in., depth 0.052 in. both ends passivate surface treated long w/ offset wrenching facility un all ends thread series