Used on auxiliary systems, misc parts. navy: porting block kit kit to add ports to air supply line; used with filter/regulator/lubrication assemblies; has port for air gauge and/or inlet/outlet
3a all ends thread class the finish cod letter "v" will be placed here only for material code letter "d" anodize surface treated unjf all ends thread series
Used on 2350-01-390-4683. 2a 1st end thread class elbow, pipe to tube, 45 degree, male pipe end, 37 degree male pipe threads are dryseal american standard taper pipe threads (nptf) , size 0.500" ; inside dia both ends is 0.484" passivate surface treated unf 1st end thread series