Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 374-1D901 found under Motor Tachometer Generator by Gap Instrument Corp. The National Stock Number assigned to this part is 6105000551588, and the Federal Supply Class is 6105 Motors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 374-1D901.