Complete item name is rhenium oxide, reagent; comes in grey powder form
NSN 5965-00-035-4556
NSN 5998-01-611-4809
NSN 5975-01-106-2238
NSN 7035-01-549-3616
NSN 5935-00-601-2439
NSN 6105-01-054-2346
NSN 5925-01-291-6863
NSN 5996-00-333-5182
NSN 5935-00-114-1656
NSN 5915-01-200-7057
NSN 5930-00-116-4348
NSN 5945-01-518-7509