Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 25G-528 found under Screw Cap Socket He by Melroe Co. The National Stock Number assigned to this part is 5305015637424, 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 25G-528.