Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40 343 6007 01 found under O Ring by Meggitt U K Ltd. The National Stock Number assigned to this part is 5331996106588, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 40 343 6007 01.