A fitting used with a union nut and a tailpiece to form a union.
NSN 5930-01-226-7596
NSN 5935-00-291-4910
NSN 4140-00-368-4261
NSN 5925-01-011-2202
NSN 6130-00-610-2392
NSN 5998-00-151-7607
NSN 6145-01-464-1920
NSN 5920-00-350-9181
NSN 6145-01-452-8545
NSN 7035-01-525-8263
NSN 5930-01-091-4477
NSN 6610-00-845-7642