A fitting used with a union nut and a tailpiece to form a union.
NSN 6620-00-113-9145
NSN 7035-01-445-3563
NSN 6105-00-258-9006
NSN 5996-01-326-4115
NSN 2925-01-182-0227
NSN 7035-01-330-1146
NSN 6645-01-166-8904
NSN 6685-01-242-2187
NSN 6105-00-375-5771
NSN 6145-00-635-9957
NSN 5835-01-456-3922
NSN 6645-01-425-2330