Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number G-8.0-155M-B1-0 found under O Ring by Core Industries Inc. The National Stock Number assigned to this part is 5331013693497, 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 G-8.0-155M-B1-0.