Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NDC00406-4394-03 found under Charcoal Activated Usp by Mallinc Krodt Inc. The National Stock Number assigned to this part is 6505013171640, 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 NDC00406-4394-03.