Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LP50 found under Levellaser by Spectra Precision Surveying Inc. The National Stock Number assigned to this part is 5210016717527, and the Federal Supply Class is 5210 Measuring Tools Craftsmens. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LP50.