A fitting used with a union nut and thread piece to form a union.
NSN 5915-01-414-8607
NSN 7035-01-267-4836
NSN 2925-01-468-7073
NSN 6220-00-960-5621
NSN 5999-00-058-2684
NSN 6220-01-504-9892
NSN 2925-01-118-5191
NSN 5910-00-518-4608
NSN 5960-00-658-2780
NSN 5935-01-179-7227
NSN 5930-01-309-8651
NSN 2925-01-064-3729