Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LHC 142J 04S found under Spring Helical Compression by Lee Spring Co Inc. The National Stock Number assigned to this part is 5360015470636, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LHC 142J 04S.