Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M-300381-A0 ITEM 29 REV B found under Fuse Cartridge by Rockwell Automation Ltd. The National Stock Number assigned to this part is 5920015658357, and the Federal Supply Class is 5920 Fuses Arresters Absorbers And Protector. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like M-300381-A0 ITEM 29 REV B.