Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4B93-15 found under Regulator Volt by Allied Signal Inc. The National Stock Number assigned to this part is 6110011116422, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4B93-15.