The H50315 is an AS568-315 black Buna-N (Nitrile) 50 Shore A O-Ring with an inside diameter of 0.787 in (19.99 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.207 in (30.66 mm). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
This material stands up to many alcohols, water, and hydraulic fluids. Buna-N (Nitrile) is valued for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where strong acids or ozone and direct sunlight are present.
Typical settings include fluid power, construction equipment, and agricultural equipment.
This item is sold individually under part number H50315. As always, verify media compatibility and operating conditions against the requirements of your specific application. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description -315 BLACK BUNA 50D O-RING
uf_description2 0.210" (5.33MM) CS X 0.787" (19.99MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 0.787 inch (19.99 mm)
Actual_OD 1.207 inch (30.66 mm)
ProductCode Description O-Rings - Bulk - Commodity