3a all ends thread class 12 all ends thread quantity per inch passivate inside surface treated flared w/ center wrenching facility un all ends thread series
3a first fluid end connection thread class 4.210" 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 cma vehicle, lighter air cushion, 30-ton (lacv-30). 3a 1st end thread class 12 1st end thread quantity per inch anodize surface treated unj 1st end thread series
Used on 22f helicopter, iroquois hh/uh-1. 3a external thread class right-hand external 1.094" overall length 12 external thread quantity per inch anodize surface treated plug, tube fitting flareless (note: drilled hole is optional should not be considered as a separating characteristic unj external thread series
Used on vla missile, guided intercept (hawk). 3a external thread class right-hand external 1.094" overall length 12 external thread quantity per inch anodize surface treated plug, tube fitting flareless (note: drilled hole is optional should not be considered as a separating characteristic unj external thread series
Used on 09f aircraft, delta dart f-106. 3a external thread class right-hand external 0.531" overall length anodize surface treated plug, tube fitting flareless (note: drilled hole is optional should not be considered as a separating characteristic unjf external thread series
