Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SAE-AMS-C-81986 found under Core Material Cellular Structura by Sae International. The National Stock Number assigned to this part is 5680014731918, and the Federal Supply Class is 5680 Miscellaneous Construction Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SAE-AMS-C-81986.