Complete item name is 8-hydroxy-7 (4-sulfo-1-naphthylazo) -5-quinolinesulfonic acid, disodium salt; comes in purple powder form
NSN 5985-00-717-8877
NSN 5925-01-155-7697
NSN 5835-01-138-4747
NSN 6105-01-612-2076
NSN 6650-01-440-1989
NSN 6240-01-594-2102
NSN 5835-01-180-1400
NSN 5975-01-355-3518
NSN 6135-01-307-6006
NSN 6145-01-650-5713
NSN 6135-00-405-1989
NSN 6105-01-535-5156