Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DIN63X6MMX1X20 found under Screw by Zelenda Machine And Tools Corp. The National Stock Number assigned to this part is 5305009233968, 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 DIN63X6MMX1X20.