W/socket 0.500 in. By 0.375 in. Ips
A fitting used with a union nut and a tailpiece to form a union.
NSN 5920-00-776-0633
NSN 5835-00-482-0924
NSN 6610-00-280-2982
NSN 5925-00-049-2072
NSN 5975-01-606-1148
NSN 6135-01-214-6441
NSN 6620-01-416-7997
NSN 5999-01-554-6252
NSN 6135-00-269-5843
NSN 6220-01-512-2028
NSN 6320-01-290-5271
NSN 5996-00-805-6523