Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BRS 5011 found under Screw Cap Socket Head by Helopak Inc. The National Stock Number assigned to this part is 5305016265461, 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 BRS 5011.