A fitting used with a union nut and a tailpiece to form a union.
NSN 5975-01-227-6858
NSN 6105-01-212-9245
NSN 6685-01-100-1071
NSN 5925-00-142-0752
NSN 6145-01-372-0600
NSN 4140-01-596-6832
NSN 6145-00-150-5049
NSN 6240-01-453-3198
NSN 5990-01-586-2475
NSN 6105-00-111-3353
NSN 6145-01-050-7531
NSN 6110-01-371-3049