A fitting used with a union nut and thread piece to form a union.
NSN 6135-01-247-5660
NSN 6130-01-407-0148
NSN 6685-01-367-2927
NSN 6110-00-174-1653
NSN 6610-01-365-7796
NSN 6135-01-511-1975
NSN 5915-01-574-2880
NSN 6220-01-433-9982
NSN 5905-01-623-4145
NSN 6105-01-541-5201
NSN 6240-00-925-2194
NSN 6220-01-650-9233