Screws for fuel tank kneepad rubbers ( knee grips), Norton,each pre 1946? 5/16 inch x 26tpi (CEI), 7/16 in head, 1/8 inch high cheese head x 5/8 inch long, ZP. Great confusion: the parts book lists the screw as 5/16 inch but we have found tanks that take 1/4 inch screws. Listed in teh military manual. Original part number: 3915; kneegrip fixing pin
