A fitting used with a union nut and a tailpiece to form a union.
NSN 6220-01-384-0399
NSN 5999-01-551-4812
NSN 6150-00-270-6267
NSN 5895-00-992-3532
NSN 5945-00-832-6879
NSN 5905-01-066-9808
NSN 6150-01-449-1339
NSN 6130-01-514-8431
NSN 5965-01-378-1393
NSN 7035-00-535-8109
NSN 5996-00-441-9728
NSN 6145-00-635-9957