2a 1st end thread class 18 1st end thread quantity per inch elbow, pipe to tube, female pipe 37 degree flared zinc surface treated nptf 2nd end thread series
Used on mk 75 mod 0x1,mount,gun,76mm 62 caliber se. 2b 1st end thread class 12 1st end thread quantity per inch adapter, hose distribution statement d, critical technology; next assembly p/n 5520773, hand pump assy, hydraulic passivate surface treated nptf 2nd end thread series
Used on mk 75 mod 0x1,mount,gun,76mm 62 caliber sse. 2b 1st end thread class 12 1st end thread quantity per inch adapter, pump distribution statement d, critical technology; next assy 5520773 used on DL5521328 passivate surface treated nptf 2nd end thread series
2a 1st end thread class 16 1st end thread quantity per inch reducer, tube 37 deg flared; tube reduction 0.750 x 0.500 zinc surface treated unf 1st end thread series
2a all ends thread class 12 all ends thread quantity per inch outside diameter tube has a tolerance between 0.839 zinc surface treated un all ends thread series
18 2nd end thread quantity per inch male connector surface treatment; zinc plating with yellow chromate; has wrenching flats; medium pressure series zinc surface treated npt 2nd end thread series
Used on vehicle; recovery, tracked. 2a 1st end thread class 12 1st end thread quantity per inch ors to o'ring boss long adapter un 1st end thread series
Used on aircraft c/kc - 135. 3a all ends thread class 1.966" overall length anodize body surface treated male coupling half unjf all ends thread series
