3a all ends thread class 12 1st end thread quantity per inch part to be coated with high purity aluminum only with coating thickness of 0.0005 aluminum surface treated unj 1st end thread series
Used on midbody external piping. 2a all ends thread class 12 all ends thread quantity per inch union tee export control; connects to oring face seal tailpiece with union nut un all ends thread series
3a all ends thread class 14 all ends thread quantity per inch part to be coated with high purity aluminum only with coating thickness of 0.0005 aluminum surface treated flared w/ center wrenching facility unjf all ends thread series
16 all ends thread quantity per inch part to be coated with high purity aluminum only with coating thickness of 0.0005 aluminum surface treated flared w/ center wrenching facility
3a all ends thread class coat with high purity aluminum per mil-dtl-83488, class 3, type ii with coating thickness of.005. aluminum surface treated flared w/ center wrenching facility unjf all ends thread series