Used on aircraft, hornet f/a-18. 3a 1st end bulkhead thread class ivd per mil-c-83488, cl 3, ty 2, glass bead peening before chromate treatment chromate surface treated unjf all ends thread series
Used on aircraft, hornet f/a-18. 3a 2nd end thread class 20 2nd end thread quantity per inch plastic polytetrafluoroethylene surface treated unjs 2nd end thread series
3a 2nd end thread class fitting shall be polytetrafluoroethylene coated on internal surface only to a distance of 0.220 min 0.270 max in. into bore anodize surface treated unjf 2nd end thread series
Used on close in weapon system (ciws-phalanx). 3a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch passivate surface treated unj 1st end bulkhead thread series
Used on aircraft, hornet f/a-18. 3a 2nd end thread class 20 2nd end thread quantity per inch plastic polytetrafluoroethylene surface treated unjs 2nd end thread series