A fitting used with a union nut and a tailpiece to form a union.
NSN 6320-01-519-8767
NSN 6650-01-512-1930
NSN 5985-00-118-4728
NSN 5965-01-013-0290
NSN 6240-01-235-5996
NSN 2925-01-164-9579
NSN 5975-01-502-2436
NSN 5975-00-470-2320
NSN 6150-01-573-9758
NSN 6110-00-735-6997
NSN 5910-01-626-4351
NSN 5915-01-631-2172