Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A209793 7087935 42 found under O Ring by Lips Proptech B V. The National Stock Number assigned to this part is 5331171091908, 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 A209793 7087935 42.