Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number FFS103TYPE3STYLE4 found under Setscrew by Federal Specifications. The National Stock Number assigned to this part is 5305002065024, 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 FFS103TYPE3STYLE4.