Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SPA-33-F152 B0 found under Disk Valve by Pbminc. The National Stock Number assigned to this part is 4820013913930, 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 SPA-33-F152 B0.