Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number STR60251C40 found under Screwmachine by Accurate Manufactured Products Ltd. The National Stock Number assigned to this part is 5305016968684, 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 STR60251C40.