A fitting used with a union nut and a tailpiece to form a union.
NSN 6320-01-064-0372
NSN 5935-00-428-5135
NSN 6320-01-492-1976
NSN 5996-00-456-0895
NSN 5960-01-544-1273
NSN 5935-01-583-7811
NSN 6650-01-376-6965
NSN 5930-01-482-6432
NSN 6645-01-397-7277
NSN 5975-01-200-7710
NSN 6685-00-420-2781
NSN 6150-01-589-6134