Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 961M16X1 5X40-88DBL845121 found under Screw Cap Hexagon H by Navantia Sa. The National Stock Number assigned to this part is 5305121446181, 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 961M16X1 5X40-88DBL845121.