Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 77-00012 found under Circuit Breaker by Texas Mgt Associates Inc. The National Stock Number assigned to this part is 5925008407058, 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 77-00012.