About this item
size:the thread size of 4AN is 7/16-20 UNF,the thread size of 4AN ORB is 7/16-20 UNF
Sealing The AN side of the flare is sealed by a 37 degree angle and The ORB side is sealed with an O-ring.
Material: The 4AN to 4AN orb reducer is made of aluminum alloy 6061-T6 which is anodized black surface,and the O-ring is made of NBR rubber.(Temperature Range: -40F to +212F .Maximum working pressure: 4000PSI)
The orb fitting can be used with water, air, fuel, oil, fuild, E85, etc.