Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TG-2.0-125F-01-Y-O found under O Ring by Core Industries Inc. The National Stock Number assigned to this part is 5331016018376, 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 TG-2.0-125F-01-Y-O.