Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 01820-50635 found under Thumbscrew by C K Power Products Corp. The National Stock Number assigned to this part is 5305013207070, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 01820-50635.