Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A211R019 found under Screw Adjusting by Aerocontrolex Group Inc. The National Stock Number assigned to this part is 5305009776326, 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 A211R019.