Used on helicopter,utility-tactical transport,uh-1 and eh-1 (bell). 3a external thread class right-hand external 0.984" 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
Used on boeing vertol cargo transport helicopter,model ch-47. 3a external thread class right-hand external 1.031" 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
2a all ends thread class 14 all ends thread quantity per inch hex without chamfer on side facing long end inverted flare w/ center wrenching facility uns all ends thread series
