Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A50255-720YLR found under Switch Section Rotary by Standard Gribsby Inc. The National Stock Number assigned to this part is 5930000782162, 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 A50255-720YLR.