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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.

This elastomer possesses mechanical properties similar to Viton®, with the exception of its slightly lower compression set resistance. It is more suitable for sensitive applications where lighter compressive forces are applied to energize the seal. This core has a Shore A hardness of 70 but it also offers a broader operating temperature range of -80°F to +500°F. (-62°C to +260°C). 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 S-70 N/A
180511 		N/A JIS Standard O-Ring N/A Silicone 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 S-70 N/A
180512 		N/A JIS Standard O-Ring N/A Silicone 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 S-70 N/A
180513 		N/A JIS Standard O-Ring N/A Silicone 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 S-70 N/A
180514 		N/A JIS Standard O-Ring N/A Silicone 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 S-70 N/A
180515 		N/A JIS Standard O-Ring N/A Silicone 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 S-70 N/A
180516 		N/A JIS Standard O-Ring N/A Silicone 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 S-70 N/A
180517 		N/A JIS Standard O-Ring N/A Silicone 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 S-70 N/A
180518 		N/A JIS Standard O-Ring N/A Silicone 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 S-70 N/A
180519 		N/A JIS Standard O-Ring N/A Silicone 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 S-70 N/A
180520 		N/A JIS Standard O-Ring N/A Silicone 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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