Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 16516-2 found under Slide Directional C by Hyde Corp. The National Stock Number assigned to this part is 4820012706501, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 16516-2.