Ordered as VITON75340, this is an AS568-340 black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 3.35 in (85.09 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.77 in (95.76 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.
The material holds up against petroleum oils and fuels, many acids, and engine and transmission fluids. Viton® (FKM) is specified for outstanding high-temperature capability and the industry benchmark where nitrile reaches its thermal limit. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). It is not the right choice where ketones and esters or low-molecular-weight organic acids are present.
It sees regular use in oil and gas, semiconductor equipment, and aerospace.
Stocked as VITON75340 and sold individually. Unit weight is approximately 11.85 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Description -340 BLACK CHEMOURS VITON 75D O-RING
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 3.35 inch (85.09 mm)
Actual Outside Diameter 3.77 inch (95.76 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium