Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5A30031 found under Screw Cap Socket Head by Triumph Engine Control Systems Llc. The National Stock Number assigned to this part is 5305008043877, 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 5A30031.