Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3-70-28X found under Strapping And Seali by Dana Holding Corporation. The National Stock Number assigned to this part is 5340014566338, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3-70-28X.