Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M5423 14-01 found under Boot Dust And Moisture Seal by Numberinc. The National Stock Number assigned to this part is 5925001560680, 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 M5423 14-01.