Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8187SP1 found under Valve Globe by Scovill Inc. The National Stock Number assigned to this part is 4820010486647, 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 8187SP1.