Part number H90107 is an AS568-107 black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 0.206 in (5.23 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.412 in (10.46 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Buna-N (Nitrile) is specified for low compression set under sustained load, reliable performance in both static and dynamic service. The compound resists water, hydraulic fluids, and greases and lubricants. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where automotive brake fluid or ketones are present.
You will find this material specified across construction equipment, general industrial maintenance, and hydraulic and pneumatic systems.
Stocked as H90107 and sold individually. Unit weight is approximately 0.1779 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -107 BLACK BUNA 90D O-RING
uf_description2 0.103" (2.62MM) CS X 0.206" (5.23MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 0.206 inch (5.23 mm)
Actual_OD 0.412 inch (10.46 mm)
ProductCode Description O-Rings - Bulk - Commodity