Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 58124A28 found under Mercury Switch Asse by E P Barrus Limited. The National Stock Number assigned to this part is 5930013521471, 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 58124A28.