Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A-33 DRY found under Detergent General Purpose by Acuity Specialty Products Inc. The National Stock Number assigned to this part is 7930014368012, 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 A-33 DRY.