Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 418827BG74 found under Training Aid Automotive Electronic Tachometer Demo by Brewer Garrett Co Inc. The National Stock Number assigned to this part is 6910010669537, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 418827BG74.