A fitting used with a union nut and a tailpiece to form a union.
NSN 6220-01-027-1294
NSN 5925-00-883-4441
NSN 7035-01-194-9482
NSN 6610-01-149-4753
NSN 5975-01-545-8831
NSN 5990-01-087-7081
NSN 6240-01-485-0008
NSN 6145-00-846-8173
NSN 5925-00-927-6969
NSN 5998-01-464-8207
NSN 5920-01-154-7363
NSN 5975-00-290-4285