Series 90
Reusable hose fittings - hose to pipe. Brass nipple and ferrule, steel socket.
Male taper pipe rigid:
20190-2-4: Thread size 1/8-27. Hose size: -4.
20190-4-4: Thread size 1/4-18. Hose size: -4.
SAE(JIC) 37° swivel:
20690-4-4: Thread size 7/16-20. Hose size: -4.
N.B. Picture for illustrative purposes only.