Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 32C249 found under Valve Check by Allen Aircraft Products Inc. The National Stock Number assigned to this part is 4820013911175, 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 32C249.