Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S0LE S0URCE SPC found under Valve Weighted Cont by Derbyshire Mack And Morgan Inc. The National Stock Number assigned to this part is 4820002875842, 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 S0LE S0URCE SPC.