A fitting used with a union nut and a tailpiece to form a union.
NSN 6220-01-022-1780
NSN 5965-01-288-4736
NSN 6650-01-399-8552
NSN 6135-01-242-6484
NSN 6240-01-383-1576
NSN 6145-01-267-0052
NSN 5985-01-557-3380
NSN 5925-00-439-0797
NSN 6150-01-347-0709
NSN 5935-01-059-8687
NSN 6110-00-179-5964
NSN 5975-00-869-3749