Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C532-H4B found under Mount Resilient General Purpose by Dow Elco Inc. The National Stock Number assigned to this part is 5340015963638, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like C532-H4B.