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Japanese Industrial Standard O-Rings are another popular classification system used around the globe. Published by the Japanese Standard Association, these o-rings are also categorized using the metric system. JIS O-Rings are used in many different fields, but typically are implemented in Japan's semiconductor, automotive and machine tool industries. Neoprene is also known as Chloroprene.

Neoprene resists fats, oils and petroleum products. Stands up well in sunlight. Low flammability - burns when exposed to flames, but self-extinguishes when flame is removed. Generally good ozone, aging and chemical resistance. It has good mechanical properties over a wide temperature range. For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.
JIS O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Durometer

Inside Diameter

CSW Tolerance

ID Tolerance

JIS Number

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O-Ring Industries

Quantity
V55 C-70 N/A
179731 		N/A JIS Standard O-Ring N/A Neoprene N/A 0.157 in4.00 mm N/A 70 N/A 54.50 mm2.146 in N/A 0.004 in0.13 mm N/A 0.01 in0.25 mm N/A V-55 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
V585 C-70 N/A
179732 		N/A JIS Standard O-Ring N/A Neoprene N/A 0.394 in10.00 mm N/A 70 N/A 579.00 mm22.795 in N/A 0.012 in0.22 mm N/A 0.063 in1.60 mm N/A V-585 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
V640 C-70 N/A
179733 		N/A JIS Standard O-Ring N/A Neoprene N/A 0.394 in10.00 mm N/A 70 N/A 633.5 mm24.941 in N/A 0.012 in0.22 mm N/A 0.063 in1.60 mm N/A V-640 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
V690 C-70 N/A
179734 		N/A JIS Standard O-Ring N/A Neoprene N/A 0.394 in10.00 mm N/A 70 N/A 683.00 mm26.890 in N/A 0.012 in0.22 mm N/A 0.063 in1.60 mm N/A V-690 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
V70 C-70 N/A
179735 		N/A JIS Standard O-Ring N/A Neoprene N/A 0.157 in4.00 mm N/A 70 N/A 69.00 mm2.717 in N/A 0.004 in0.13 mm N/A 0.01 in0.25 mm N/A V-70 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
V740 C-70 N/A
179736 		N/A JIS Standard O-Ring N/A Neoprene N/A 0.394 in10.00 mm N/A 70 N/A 732.50 mm28.839 in N/A 0.012 in0.22 mm N/A 0.079 in2.00 mm N/A V-740 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
V790 C-70 N/A
179737 		N/A JIS Standard O-Ring N/A Neoprene N/A 0.394 in10.00 mm N/A 70 N/A 782.00 mm30.787 in N/A 0.012 in0.22 mm N/A 0.079 in2.00 mm N/A V-790 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
V845 C-70 N/A
179738 		N/A JIS Standard O-Ring N/A Neoprene N/A 0.394 in10.00 mm N/A 70 N/A 836.50 mm32.933 in N/A 0.012 in0.22 mm N/A 0.079 in2.00 mm N/A V-845 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
V85 C-70 N/A
179739 		N/A JIS Standard O-Ring N/A Neoprene N/A 0.157 in4.00 mm N/A 70 N/A 84.00 mm3.307 in N/A 0.004 in0.13 mm N/A 0.016 in0.40 mm N/A V-85 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
V950 C-70 N/A
179740 		N/A JIS Standard O-Ring N/A Neoprene N/A 0.394 in10.00 mm N/A 70 N/A 940.50 mm37.028 in N/A 0.012 in0.22 mm N/A 0.098 in2.50 mm N/A V-950 N/A N/A O-rings are used in the military, automotive, aerospace and agriculture industries.
Unit of Measure
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