A fitting used with a union nut and a tailpiece to form a union.
NSN 5930-00-728-1655
NSN 6610-00-421-9853
NSN 5950-00-126-1565
NSN 5910-01-610-4037
NSN 5950-01-541-9885
NSN 5965-00-910-3233
NSN 6645-00-825-5677
NSN 5945-01-175-5779
NSN 6135-01-113-1507
NSN 5999-01-443-3835
NSN 5975-00-099-9312
NSN 5930-00-779-6492