Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NBR01-5X0112MM found under O Ring by Gw Technologies Pty Ltd. The National Stock Number assigned to this part is 5331012878819, 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 NBR01-5X0112MM.