Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A3298664 ITEM 30 found under Switch Pressure by Crispaire Corp. The National Stock Number assigned to this part is 5930015623618, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A3298664 ITEM 30.