A fitting used with a union nut and thread piece to form a union.
NSN 5996-01-131-0006
NSN 6150-01-547-5394
NSN 6135-01-154-3526
NSN 5855-01-510-2898
NSN 5910-01-011-3081
NSN 7035-01-391-7470
NSN 5950-00-882-3076
NSN 6110-01-085-5172
NSN 6685-00-984-1302
NSN 6105-00-172-4246
NSN 5960-01-105-5182
NSN 5945-01-541-9147