Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4271 found under Control Module Fire by Meggitt Safety Systems Inc. The National Stock Number assigned to this part is 1680011548935, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4271.