A fitting used with a union nut and a tailpiece to form a union.
NSN 5855-01-459-9254
NSN 6620-01-337-8308
NSN 4140-01-068-3500
NSN 5998-01-082-0103
NSN 5990-01-135-8269
NSN 6620-01-580-0883
NSN 5835-01-110-0697
NSN 5920-00-480-9754
NSN 5945-01-478-8515
NSN 6650-01-406-5322
NSN 5930-00-715-9621
NSN 5905-01-377-5273