Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NASM51861 found under Screw Tapping by Aerospace Industries Llc. The National Stock Number assigned to this part is 5305000528241, 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 NASM51861.