A fitting used with a union nut and thread piece to form a union.
NSN 5895-01-602-4364
NSN 6610-01-044-4740
NSN 5998-00-354-0046
NSN 5975-00-681-5900
NSN 6650-01-245-7642
NSN 6110-01-269-7135
NSN 5985-00-164-3273
NSN 6220-01-020-8018
NSN 5990-01-559-0578
NSN 6135-00-998-5884
NSN 5965-01-092-4369
NSN 5996-01-487-4377