Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WK-871-148 REV-PC 20 found under Switchproximity by Walz And Krenzer Inc. The National Stock Number assigned to this part is 5930016894141, 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 WK-871-148 REV-PC 20.