Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 191-743 found under Pliers Set by Stanley Supply And Services Inc. The National Stock Number assigned to this part is 5120014993281, 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 191-743.