A fitting used with a union nut and a tailpiece to form a union.
NSN 5945-01-396-0626
NSN 5975-01-396-6171
NSN 6110-00-601-2985
NSN 5920-00-589-2710
NSN 7035-01-107-2811
NSN 5990-01-015-7502
NSN 6620-01-205-0320
NSN 6685-00-982-6057
NSN 6220-00-502-6380
NSN 5999-01-640-6742
NSN 6145-00-498-2738
NSN 5910-00-115-0670