Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 16B9310 found under Gasket Hoist Pump by Napco International Llc. The National Stock Number assigned to this part is 5330004594423, 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 16B9310.