Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 294-0903 found under Guard Switch by Bae Systems Survivability Systems Llc. The National Stock Number assigned to this part is 5930015579333, 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 294-0903.