A fitting used with a union nut and a tailpiece to form a union.
NSN 6240-01-658-0181
NSN 5945-01-376-1442
NSN 5965-00-013-7990
NSN 5950-00-912-7702
NSN 7035-01-121-5905
NSN 4140-00-288-6898
NSN 5925-01-070-0055
NSN 6685-01-213-0211
NSN 5985-00-728-9595
NSN 5915-01-604-2947
NSN 5965-00-391-0562
NSN 5960-01-100-7381