Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EQ3B030 found under Circuit Breaker by Siemens Allis Inc. The National Stock Number assigned to this part is 5925004210756, 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 EQ3B030.