Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 81116 found under Gasket by Penn Yan Boats Inc. The National Stock Number assigned to this part is 5330002550315, 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 81116.