Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5259-3-0500-1 found under Stud Plain by F W Lang Co. The National Stock Number assigned to this part is 5307013602364, 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 5259-3-0500-1.