A fitting used with a union nut and a tailpiece to form a union.
NSN 5960-01-641-5493
NSN 5915-01-428-6681
NSN 5935-00-993-5192
NSN 6220-01-485-8464
NSN 5930-01-181-2191
NSN 5905-00-450-2515
NSN 6105-01-215-8078
NSN 5935-01-406-5455
NSN 6145-01-381-2529
NSN 5999-01-487-5407
NSN 5975-01-410-7647
NSN 5975-00-621-0152