Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number OE4-SBKS-55K found under Switch Pressure by Parker Hannifin Corporation. The National Stock Number assigned to this part is 5930012629353, 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 OE4-SBKS-55K.