Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A3541-2 found under Retainer Electrical by Scott Fetzer Company The. The National Stock Number assigned to this part is 5930014238554, 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 A3541-2.