Used on clark model 290m;tractor,wheeled,ind.,diesel driven;meddbp,nsn 2430000889384,w/rops nsn 2420010590090. right-hand external nptf external thread series
3a 2nd end thread class 12 1st end bulkhead thread quantity per inch grumman aerospace inc supports A10 aircraft anodize surface treated unj 1st end bulkhead thread series