Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AS263 1H3L found under Screw Cap Socket Head by Aero Stat Co. The National Stock Number assigned to this part is 5305002620077, 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 AS263 1H3L.