A fitting used with a union nut and a tailpiece to form a union.
NSN 5950-01-222-0499
NSN 6145-01-287-6713
NSN 6135-01-394-4160
NSN 7035-01-645-4746
NSN 5905-00-260-5008
NSN 4140-01-387-0331
NSN 5920-01-487-1440
NSN 5930-01-392-7277
NSN 5835-01-442-6079
NSN 5855-01-658-7504
NSN 5998-00-343-0732
NSN 5925-01-401-5314