Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 145H7310-2 found under Sleeve And Slide Directional Con by Associated Aircraft Supply Co. The National Stock Number assigned to this part is 4820011171403, 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 145H7310-2.