Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A1-12-0050 found under Switch Push by Acr Electronics Inc. The National Stock Number assigned to this part is 5930011933045, 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 A1-12-0050.