Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BXSXX05SAA found under Valve Safety Relief by Dante Valve Company Inc. The National Stock Number assigned to this part is 4820015668775, 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 BXSXX05SAA.