A fitting used with a union nut and a tailpiece to form a union.
NSN 5945-01-382-9224
NSN 5835-00-614-0650
NSN 5920-01-242-6786
NSN 5999-00-840-8803
NSN 5945-01-330-4496
NSN 6105-01-043-3351
NSN 5965-00-137-9291
NSN 5960-00-671-4034
NSN 6105-01-641-3334
NSN 6685-00-132-1175
NSN 5975-01-134-5332
NSN 5835-00-170-5238