CUP SPRING FOR CUTTING MACHINE CASTELGARDEN F502 , F504 , M504 , NG504 , NP534 , P48-40 , PA502 , PA504 , PAN504 MODEL - TECHNICAL SPECIFICATIONS THICKNESS 2.5 mm EXTERNAL DIAMETER 49 mm INTERNAL DIAMETER 18 mm CODE: 13271303 ORIGINAL CODE 112508120/0 , 12508120/1 , 12508120/0 , 1111-3482-01 SR