A fitting used with a union nut and a tailpiece to form a union.
NSN 5895-01-118-9955
NSN 5925-00-602-8623
NSN 5835-01-170-5537
NSN 6105-01-334-3266
NSN 5960-00-837-0082
NSN 5910-01-448-0956
NSN 6645-01-180-6219
NSN 5930-00-807-6306
NSN 5985-01-639-8150
NSN 5915-01-633-9845
NSN 2925-01-554-5246
NSN 5905-01-294-7561