Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 850000101-R11-119 found under O Ring by Saint Gobain Performance Plastics. The National Stock Number assigned to this part is 5331011912523, 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 850000101-R11-119.