You can find original FSA components, accessories, and replacement parts atEscapa. TheFSA ML137 5mm Crank Arm Screw is madeof aluminum and is an original manufacturer’s replacement part with part number 390-1067.
FSA 2 mm screw for ML137 MTB with a thread pitch of 1/2" x 5/64" and made of aluminum; an original manufacturer's replacement part with part number 390-1067.