Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1992A28H01 found under Circuit Breaker by Treadwell Corporation. The National Stock Number assigned to this part is 5925011496860, 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 1992A28H01.