Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 438-01-017-0140 found under Switch Lock by Delta International Inc. The National Stock Number assigned to this part is 5930012814069, 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 438-01-017-0140.