2a 1st end thread class ist end bulkhead thd size 0.438 in. nom, cl 2a, unf.; supports anthony model mlt 6-2; nsn 3930003271575 passivate surface treated unf 1st end thread series
Used on mhu-7/m. elbow, tube; steel; thd external tube, 1st ent, flared, 0.750, unf-3a rh thd; identical 2nd end relationship with 1st end, 1.841 in. nom 1st end, 1.344 in. nom 2nd end let lg, 90 deg flow angle
Used on grumman a10a aircraft. 3a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch anodize surface treated unj 1st end bulkhead thread series
2a 2nd end thread class 12 2nd end thread quantity per inch flange, 5.000 in. w, located 0.562 in. from 3.375 thd end to flange edge oxide surface treated un 1st end thread series
Used on grumman a10a aircraft. 3a all ends thread class the item is a flight safety critical aircraft part (fscap) passivate surface treated unjf all ends thread series