Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 52030 found under Valve Safety Relief by Aesys Technologies Llc. The National Stock Number assigned to this part is 4820004684427, 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 52030.