Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9D81-65-1 found under Switch Subassembly by Delta Electronics Inc. The National Stock Number assigned to this part is 5930011650019, 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 9D81-65-1.