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Imperial Size Guide | BS001 - BS050

Our O-rings are available in various different polymers, including Nitrile, Viton ® , Silicone. Other can be made on special request.

Article No. O-Ring Size
 ID x C/S (mm)
Nominal  Size (reference only)
(All dimensions are in inches)

ID OD C/S
BS001 0.74 x 1.02 1/32 3/32 1/32
BS002 1.07 x 1.27 3/64 9/64 3/64
BS003 1.42 x 1.52 1/16 3/16 1/16
BS004 1.78 x 1.78 5/64 13/64 1/16
BS005 2.57 x 1.78 3/32 7/32 1/16
BS006 2.90 x 1.78 1/8 1/4 1/16
BS007 3.68 x 1.78 5/32 9/32 1/16
BS008 4.47 x 1.78 3/16 5/16 1/16
BS009 5.28 x 1.78 7/32 11/32 1/16
BS010 6.07 x 1.78 1/4 3/8 1/16
BS011 7.65 x 1.78 5/16 7/16 1/16
BS012 9.25 x 1.78 3/8 1/2 1/16
BS013 10.82 x 1.78 7/16 9/16 1/16
BS014 12.42 x 1.78 1/2 5/8 1/16
BS015 14 x 1.78 9/16 11/16 1/16
BS016 15.6 x 1.78 5/8 3/4 1/16
BS017 17.17 x 1.78 11/16 13/16 1/16
BS018 17.77 x 1.78 3/4 7/8 1/16
BS019 20.35 x 1.78 13/16 15/16 1/16
BS020 21.95 x 1.78 7/8 1 1/16
BS021 23.52 x 1.78 15/16 1 1/16 1/16
BS022 25.12 x 1.78 1 1 1/8 1/16
BS023 26.7 x 1.78 1 1/16 1 3/16 1/16
BS024 28.3 x 1.78  1 1/8 1 1/4 1/16
BS025 29.87 x 1.78 1 3/16 1 5/16 1/16
BS026 31.47 x 1.78 1 1/4 1 3/8 1/16
BS027 33.05 x  1.78  1 5/16 1 7/16 1/16
BS028 34.65 x 1.78 1 3/8 1 1/2 1/16
BS029 37.82 x 1.78 1 1/2 1 5/8 1/16
BS030 41.0 x 1.78 1 5/8 1 3/4 1/16
BS031 44.17 x 1.78 1 3/4 1 7/8 1/16
BS032 47.35 x 1.78 1 7/8 2 1/16
BS033 50.52 x 1.78 2 2 1/8 1/16
BS034 53.7 x 1.78 2 1/8 2 1/4 1/16
BS035 56.87 x 1.78 2 1/4 2 3/8 1/16
BS036 60.05 x 1.78 2 3/8 2 1/2 1/16
BS037 63.22 x 1.781   2 1/2 2 5/8 1/16
BS038 66.4 x 1.78 2 5/8 2 3/4 1/16
BS039 69.57 x 1.78 2 3/4 2 7/8 1/16
BS040 72.75 x 1.78 2 7/8 3 1/16
BS041 75.92 x 1.78 3 3 1/8 1/16
BS042 82.27 x 1.78 3 1/4 3 3/8 1/16
BS043 88.62 x 1.78 3 1/2 3 5/8 1/16
BS044 94.97 x 1.78 3 3/4 3 7/8 1/16
BS045 101.32 x 1.78 4 4 1/8 1/16
BS046 107.67 x 1.78 4 1/4 4 3/8 1/16
BS047 114.02 x 1.78 4 1/2 4 5/8 1/16
BS048 120.37 x 1.78 4 3/4 4 7/8 1/16
BS049 126.72 x 1.78 5 5 1/8 1/16
BS050 133.07 x 1.78 5 1/4 5 3/8 1/16