Metric O-Ring Mold Chart Dimensions in:    millimeters Inside Dia. D1 Cross Section d2 Cross Ref.* 57.00 2.50   57.00 3.00   57.00 3.50   57.00 4.00   57.00 4.50   57.00 5.00   57.00 6.00   57.00 6.50   57.00 8.00   57.15 3.53 BS835 57.20 5.70   57.60 2.40   57.60 5.70 P58 58.00 1.50   58.00 2.00   58.00 2.50   58.00 3.00   58.00 3.50   58.00 3.55   58.00 4.00   58.00 5.00   58.00 5.30   58.00 6.00   58.74 3.53 BS836 59.00 1.50   59.00 2.00   59.00 2.50   59.00 3.00   59.00 3.50   59.00 4.00   59.00 5.00   59.20 5.70   59.30 5.70   59.40 3.10 G60 59.50 2.00 S60 59.50 3.00   59.50 6.00   59.60 2.40   59.60 5.70 P60 59.70 5.70   60.00 1.00   60.00 1.50   60.00 2.00   60.00 2.50   60.00 3.00   60.00 3.50   60.00 3.55   Inside Dia. D1 Cross Section d2 Cross Ref.* 60.00 4.00   60.00 4.50   60.00 5.00   60.00 5.30   60.00 6.00   60.00 7.00   60.00 8.00   60.32 3.53 BS837 61.00 1.50   61.00 2.00   61.00 2.50   61.00 3.00   61.00 3.50   61.00 4.00   61.00 4.50   61.00 5.00   61.00 6.00   61.20 5.70   61.50 3.55   61.50 5.30   61.60 2.40   61.60 5.70 P62 61.90 3.53 BS838 62.00 1.50   62.00 2.00   62.00 2.50   62.00 3.00   62.00 3.50   62.00 4.00   62.00 4.50   62.00 5.00   62.00 5.70   62.00 6.00   62.20 3.00   62.20 5.70   62.30 5.70   62.50 2.00 S63 62.60 5.70 P63 63.00 1.50   63.00 2.00   63.00 2.50   63.00 3.00   63.00 3.50   63.00 3.55   63.00 4.00   63.00 4.50   63.00 5.00   Inside Dia. D1 Cross Section d2 Cross Ref.* 63.00 5.30   63.00 6.00   63.50 3.53 BS839 64.00 1.50   64.00 2.00   64.00 2.50   64.00 3.00   64.00 3.50   64.00 4.00   64.00 4.50   64.00 5.00   64.00 5.70   64.00 6.00   64.20 5.70   64.30 5.70   64.40 3.10 G65 64.50 2.00 S65 64.50 3.00   64.60 2.40   64.60 5.70 P65 65.00 1.50   65.00 2.00   65.00 2.50   65.00 3.00   65.00 3.50   65.00 3.55   65.00 4.00   65.00 4.50   65.00 5.00   65.00 5.30   65.00 6.00   65.10 3.53 BS840 66.00 1.50   66.00 2.00   66.00 2.50   66.00 3.00   66.00 3.50   66.00 4.00   66.00 4.50   66.00 5.00   66.00 6.00   66.50 2.00 S67 66.60 5.70 P67 66.67 3.53 BS841 67.00 1.50   67.00 2.00   67.00 2.50   Inside Dia. D1 Cross Section d2 Cross Ref.* 67.00 3.00   67.00 3.50   67.00 3.55   67.00 4.00   67.00 5.00   67.00 5.30   67.00 6.00   67.10 1.92   67.20 5.70   67.60 2.40   67.60 5.70 P68 68.00 1.50   68.00 2.00   68.00 2.50   68.00 3.00   68.00 3.50   68.00 4.00   68.00 4.50   68.00 5.00   68.00 6.00   68.26 3.53 BS842 69.00 1.50   69.00 2.00   69.00 2.50   69.00 3.00   69.00 3.50   69.00 3.55   69.00 4.00 V70 69.00 4.50   69.00 5.00   69.00 5.30   69.00 5.70   69.00 6.00   69.20 5.70   69.30 5.70   69.40 3.10 G70 69.50 2.00 S70 69.50 3.00   69.60 2.40   69.60 5.70 P70 69.85 3.53 BS843 70.00 1.50   70.00 2.00   70.00 2.50   70.00 3.00   70.00 3.50   70.00 4.00   Inside Dia. D1 Cross Section d2 Cross Ref.* 70.00 4.50   70.00 5.00   70.00 6.00   70.00 7.00   70.20 5.70   70.50 2.00 S71 70.60 5.70 P71 71.00 1.50   71.00 2.00   71.00 2.50   71.00 3.00   71.00 3.50   71.00 3.55   71.00 4.00   71.00 4.50   71.00 5.00   71.00 5.30   71.00 6.00   71.20 5.70   71.44 3.53 BS844 72.00 1.50   72.00 2.00   72.00 2.50   72.00 3.00   72.00 3.50   72.00 4.00   72.00 5.00   72.00 5.50   72.00 6.00   72.20 5.70   72.30 5.70   73.00 1.50   73.00 2.00   73.00 2.50   73.00 3.00   73.00 3.50   73.00 3.55   73.00 4.00   73.00 4.50   73.00 5.00   73.00 5.30   73.00 6.00   73.02 3.53 BS845 74.00 1.50   74.00 2.00   74.00 2.50   74.00 3.00   *British or Japanese cross reference

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