Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SS4 350 found under Sleeve Seal Coupler by V I J Corporation. The National Stock Number assigned to this part is 5330013249540, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SS4 350.