Used on aircraft application. 3a external thread class right-hand external 1.609" overall length 12 external thread quantity per inch anodize surface treated plug, tube fitting flared (note: drilled hole is optional should not be considered as a separating characteristic unj external thread series
Used on aircraft application, boeing vertol cargo transport helicopter, model ch-47. 3b internal thread class right-hand internal 20 external thread quantity per inch grumman aircraft corp, a-10 aircraft model cadmium surface treated cap, tube, flareless unjf external thread series
Used on chinook helicopter ch-47. 3a all ends thread class used on grumman aircraft, model A10 cadmium surface treated flareless (tube) unjf all ends thread series
3a first quick disconnect end thread class 3.985" overall length 14 first quick disconnect end thread quantity per inch anodize body surface treated coupling assembly uns first quick disconnect end thread series
Used on aircraft application. 3b thread class right-hand 0.438" thread length 0.813" outside diameter synthetic rubber sealing rings, w/2 internal filter elements, 2.6 gal per min fluid flow at 3000 psi pressure anodize surface treated
Used on aircraft application. 3a 1st end bulkhead thread class 12 1st end bulkhead thread quantity per inch anodize outside surface treated unj 1st end bulkhead thread series