Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 00008587330169 found under Disk Valve by P And M Mfg Co. The National Stock Number assigned to this part is 4820013119561, 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 00008587330169.