Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2B522 found under Cam Control by Charles V Clark Co. The National Stock Number assigned to this part is 3040003700944, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2B522.