Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NB3K15-16 found under Motor Alternating Current by Aeroflex Laboratories Inc. The National Stock Number assigned to this part is 6105004875981, 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 NB3K15-16.