Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2042331-5 found under Housing Assembly Me by Honeywell Aerospace. The National Stock Number assigned to this part is 1680012364568, 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 2042331-5.