2a single mounting facility thread class 2.172" overall length 1.531" overall width 32 single mounting facility thread quantity per inch unc single mounting facility thread series
consists of o/a dim in in. 0.264 ht, 0.530 dia, 0.290 c bore dia; material al alloy 2017-T4 per qq-a-225/5; finish chromate per mil-c-5541, CL3; surface 125.0 microinches; thread series 3/8-32unef-2a; deflection angle 100.0 degrees
2b single mounting facility thread class 0.370" overall length 1.700" overall width 56 single mounting facility thread quantity per inch rectangular indicating unc single mounting facility thread series