A fitting used with a union nut and thread piece to form a union.
NSN 2925-01-043-9786
NSN 5920-01-442-3395
NSN 6650-01-611-1058
NSN 2925-00-328-2018
NSN 5855-01-335-8907
NSN 5945-01-371-1462
NSN 6685-01-337-1826
NSN 5935-00-758-2661
NSN 6645-01-290-3930
NSN 5855-01-003-7102
NSN 5985-01-433-1057
NSN 6220-01-408-5103