Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 303 0539 found under Stud Locked In by Cargotec Usa Inc. The National Stock Number assigned to this part is 5307012134330, and the Federal Supply Class is 5307 Studs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 303 0539.