Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 100X3HN18830C found under O Ring by Rheinmetall Landsysteme Gmbh. The National Stock Number assigned to this part is 5331121430166, 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 100X3HN18830C.