A fitting used with a union nut and a tailpiece to form a union.
NSN 6105-01-268-3409
NSN 5965-01-555-1532
NSN 6650-00-405-0702
NSN 6135-01-281-4758
NSN 6150-00-391-1981
NSN 6145-00-401-2404
NSN 6620-00-918-3878
NSN 6220-00-028-3964
NSN 5905-00-594-8102
NSN 5920-01-146-4503
NSN 6220-00-516-7174
NSN 5895-00-050-2044