Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TYE2002C4-3 found under Insertscrew Thread by Young Engineers Inc The. The National Stock Number assigned to this part is 5325016894644, 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 TYE2002C4-3.