Outside Diameter

Code

Name

08

0.063″

09

???

26

0.125″

37

0.170″

38

0.187

41

0.200″

44

???

46

0.250″

53

???

54

0.312″

56

0.325″

58

0.375″

60

0.406″

61

0.433″

62

0.437″

65

???

66

0.500″

70

0.562″

73

0.590″

74

0.625″

75

0.688″

77

0.719″

78

0.750″

82

???

84

0.875″

88

1.000″

908

1.063″

909

???

926

1.125″

937

1.170″

938

1.187″

941

1.200″

944

???

946

1.250″

953

???

954

1.312″

956

1.325″

958

1.375″

960

1.406″

961

1.433″

962

1.437″

965

???

966

1.500″

970

1.562″

973

1.590″

974

1.625″

975

1.688″

977

1.719″

978

1.750″

982

???

984

1.875″

 

When both ID and OD are over 1”, add a 9 before the ID only 
When the OD is over 1”, add a 9 before the OD 

Examples:

60 duro silicone tubing with a ¼” ID and ½” OD = ES30-4666-S60
40 duro EPDM tubing with 1 – 7/16” ID and 1 – 11/16” OD = ES30-96275-E40