Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AVS321B201 found under Motor Control by Holt Instrument Laboratories Llc. The National Stock Number assigned to this part is 6105008293756, 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 AVS321B201.