A fitting used with a union nut and a tailpiece to form a union.
NSN 5930-00-086-8743
NSN 5965-01-607-0318
NSN 5895-01-603-3067
NSN 5915-01-449-2994
NSN 6240-00-813-6328
NSN 4140-01-307-8836
NSN 5910-01-254-2035
NSN 5920-00-246-5992
NSN 5835-01-506-0746
NSN 5915-01-204-7889
NSN 5960-00-226-5723
NSN 6105-01-444-1201