Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number L9-5542P1SUB3 found under Screw Externally Relieved Body by Raytheon Company. The National Stock Number assigned to this part is 5305006374804, 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 L9-5542P1SUB3.