A fitting used with a union nut and a tailpiece to form a union.
NSN 5975-00-377-8914
NSN 5935-01-413-4970
NSN 2925-01-474-3363
NSN 5935-01-249-7575
NSN 5960-01-182-3676
NSN 7035-01-548-6882
NSN 5920-00-980-4112
NSN 5920-01-076-2679
NSN 6220-00-862-6216
NSN 4140-00-998-2911
NSN 5990-01-625-5923
NSN 5915-01-496-3665