Norton E3226 nut + washer, 7/16in x 20TPI correct dimensions, plain, NP, Footrest rod (pedal bolt) nut for RH side, laydown gearbox. Fits 5/16 W; 3/8 BSF spanner, BSCY / CEI Original part number: E3226 - footrest rod nut, plain E5377 - washer