Part number V75353 is an AS568-353 black Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 4.975 in (126.37 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.395 in (137.03 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Viton® (FKM) is widely chosen for the industry benchmark where nitrile reaches its thermal limit and long service life in hot, chemically aggressive environments. This material stands up to aromatic hydrocarbons, many acids, and aggressive chemicals. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with ketones and esters or amines.
It sees regular use in semiconductor equipment, chemical processing, and aerospace.
Order part number V75353, sold individually. Unit weight is approximately 17.42 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Description -353 BLACK FKM 75D O-RING
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 4.975 inch (126.37 mm)
Actual Outside Diameter 5.395 inch (137.03 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity