Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 46 0450 81 found under Dapsone Tablets Usp by Pfizer Inc. The National Stock Number assigned to this part is 6505002213433, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 46 0450 81.