Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L8700031-003 found under Guide Surge Valve by Hi Shear Corporation. The National Stock Number assigned to this part is 1560012043633, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like L8700031-003.