Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SP7 16X1 20E found under Wrench Open End Box by Wartsila Lips Inc. The National Stock Number assigned to this part is 5120014964267, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SP7 16X1 20E.