This sale includes 1 used Swagelok relief valve, in excellent condition. This part number doesn’t come new with a spring however this valve has a spring installed, unsure of which pressure range, also unsure what media/fluid was in this system. Comes with new ferrules, no damage. 1/4” MNPT x 1/4” tube. SS-4R3A1 includes blue protective cap for threads (not pictured).