Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1J50A12 2 found under Switch Rotary by Shallcross Inc. The National Stock Number assigned to this part is 5930011164464, 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 1J50A12 2.