A fitting used with a union nut and thread piece to form a union.
NSN 6150-01-020-6683
NSN 6145-00-775-0786
NSN 5905-01-565-3570
NSN 5910-01-512-1978
NSN 6645-01-375-2020
NSN 5920-00-119-1406
NSN 6150-01-196-0179
NSN 6220-00-311-4291
NSN 5945-00-718-0164
NSN 5990-01-443-2931
NSN 6135-00-809-2148
NSN 5996-01-323-7763