Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WZ2RD19D1 found under Switch Sensitive by Honeywell Aerospace. The National Stock Number assigned to this part is 5930004968554, 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 WZ2RD19D1.