A fitting used with a union nut and a tailpiece to form a union.
NSN 6240-01-499-2579
NSN 6150-01-204-2237
NSN 6620-00-652-9696
NSN 2925-01-516-9858
NSN 5935-01-461-3139
NSN 5975-00-518-4977
NSN 5910-01-009-6378
NSN 6685-00-153-3914
NSN 5925-01-006-1222
NSN 6645-01-148-9063
NSN 5950-00-317-2042
NSN 5960-01-041-2690