Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FS1-300 found under Sleeve Seal Coupler by V I J Corporation. The National Stock Number assigned to this part is 5330014360263, 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 FS1-300.