Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0 625 11 UNC 3A X 4 250 IN LG found under Screw Cap Socket He by American National Standards Inst. The National Stock Number assigned to this part is 5305013360698, 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 0 625 11 UNC 3A X 4 250 IN LG.