A fitting used with a union nut and a tailpiece to form a union.
NSN 5835-01-575-1778
NSN 5855-01-448-9794
NSN 6150-00-985-8398
NSN 6110-00-246-3941
NSN 6145-00-422-7146
NSN 6650-00-918-4156
NSN 5835-00-707-6266
NSN 5915-00-225-5388
NSN 5920-01-182-1545
NSN 6240-01-641-9347
NSN 5930-01-114-5952
NSN 6685-00-308-4016