Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BQ3B050 found under Circuit Breaker by York Technical Institute Llc. The National Stock Number assigned to this part is 5925004210757, and the Federal Supply Class is 5925 Circuit Breakers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BQ3B050.