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 6620-01-535-0070
NSN 5835-01-018-6294
NSN 6220-01-557-6638
NSN 5925-01-500-5407
NSN 5998-00-740-7515
NSN 6645-00-287-9192
NSN 6645-01-204-7094
NSN 5895-01-272-9740
NSN 5920-01-499-4236
NSN 6645-01-484-9847
NSN 6110-01-276-0985
NSN 6135-00-542-6216