3a first fluid end connection thread class 4.700" overall length 12 first fluid end connection thread quantity per inch anodize surface treated coupling assembly un first fluid end connection thread series
Used on aircraft model ch-46e. 3a external thread class right-hand external 0.810" overall length plug, tube fitting flared (note: drilled hole is optional should not be considered as a separating characteristic unef external thread series
2b thread class right-hand 28 thread quantity per inch hose end connection contains external thd portion, 15/16 in. -8 ns thd, 0.380 in. lg w/0.843 in. porm 0.003 root dia
3a first fluid end connection thread class 3.632" overall length anodize surface treated coupling assembly unf first fluid end connection thread series
3a 1st end bulkhead thread class material corrosion resistance steel (15-5ph) cadmium plated; first end has bulkhead threads cadmium surface treated unjf all ends thread series
Used on starlifter c-141. 3a 2nd end thread class 18 2nd end thread quantity per inch 1st end bulkhead thd 0.500-20 in, cl 3a, unf unf 1st end thread series
