Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TM3X4-5 found under Insert Screw Thread by Long Lok Fasteners Corporation. The National Stock Number assigned to this part is 5325012792653, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TM3X4-5.