2a thread class right-hand 0.750" err default 1.375" overall length W0.500-10 internal acme thd 0.813 in. lg from hex head end hexagon, external thread, inverted flare
3a all ends thread class groove corners of hex center porm 1/32, 0.030 in.deep by 90.0 deg angle passivate surface treated flared unjf all ends thread series
cres mil-s-7720 comp 303 cond a; 0.630 in. lg; 2.215 in. od flange; 1.500 in. bore id; six 0.164-32 nc-3b thdmtg holes unequally spaced on 2.000 in. dia bolt circle