A fitting used with a union nut and a tailpiece to form a union.
NSN 6150-01-088-4419
NSN 6135-00-351-8606
NSN 6105-01-312-5519
NSN 6610-00-909-6218
NSN 5945-01-117-1532
NSN 6320-00-564-2772
NSN 6105-01-307-9872
NSN 6610-00-211-9095
NSN 5935-00-082-0301
NSN 2925-01-534-7314
NSN 6320-00-588-2401
NSN 5996-01-391-4529