Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10-0109-00 found under Button Assembly Nonlocking by A Dec Inc. The National Stock Number assigned to this part is 5930012575109, 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 10-0109-00.