Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 195531-1 found under Screw Externally Relieved Body by Raytheon Company. The National Stock Number assigned to this part is 5305008532882, 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 195531-1.