AN4 Male Thread to AN3 Flare Straight Fitting, Aluminum Alloy Black, AN4 to AN3
Seal: The AN thread of the flare is sealed by a 37 degree angle. Size: 3AN male coupler Thread size is 3/8-24 UNF, 4AN male coupler Thread size is 7/16-20 UNF. Material: made of 6061-T6 aluminum alloy, strong corrosion resistance.