Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W1981-3 found under Motor Alternating Current by Motor Appliance Corp. The National Stock Number assigned to this part is 6105016524460, 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 W1981-3.