APG stocks the H90116, an AS568-116 black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 0.737 in (18.72 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.943 in (23.95 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
The compound resists petroleum-based oils, hydraulic fluids, and greases and lubricants. Buna-N (Nitrile) is widely chosen for low compression set under sustained load, reliable performance in both static and dynamic service. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
Common environments for this compound include fluid power, hydraulic and pneumatic systems, and construction equipment.
Order part number H90116, sold individually. Unit weight is approximately 0.487 g and nominal inside diameter is listed as 3/4 inch. 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 -116 BLACK BUNA 90D O-RING
uf_description2 0.103" (2.62MM) CS X 0.737" (18.72MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 0.737 inch (18.72 mm)
Actual_OD 0.943 inch (23.95 mm)
ProductCode Description O-Rings - Bulk - Commodity