Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WD-5031 LH found under Gearshaft Bevel by Carroll Engineering Co. The National Stock Number assigned to this part is 3040008235079, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like WD-5031 LH.