3a external thread class right-hand external 0.483" overall length 20 external thread quantity per inch lubricant surface treated plug, tube fitting flareless (note: drilled hole is optional should not be considered as a separating characteristic unjs external thread series
Used on general hydraulic application. 2a 2nd end thread class grumman aerospace corp A10 aircraft passivate surface treated nptf 1st end thread series
3a first fluid end connection thread class 4.191" overall length anodize surface treated coupling assembly unf first fluid end connection thread series
3b thread class right-hand 20 thread quantity per inch two 0.046 in. dia lockwire holes spaced 180 degrees apart through flats or nut anodize surface treated
Used on communications satellite terminal model an/tsc-54 and on f-16 and f-18 aircraft. 3b thread class right-hand 14 thread quantity per inch passivate surface treated