Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NDC00019-2053-570 found under Benzoic Acid Usp by Mallinc Krodt Inc. The National Stock Number assigned to this part is 6505001538233, 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 NDC00019-2053-570.