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 6685-00-811-3961
NSN 6645-01-545-6853
NSN 5920-01-357-9384
NSN 4140-00-816-7049
NSN 5855-01-335-8907
NSN 6620-01-659-8887
NSN 6620-01-054-9346
NSN 6620-01-554-8169
NSN 5985-01-399-7269
NSN 4140-01-089-8004
NSN 6130-01-014-4176
NSN 6620-00-335-7437