Part number H90386 is an AS568-386 black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 16.955 in (430.66 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 17.375 in (441.33 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
This material stands up to hydraulic fluids, petroleum-based oils, and propane and butane. Buna-N (Nitrile) is widely chosen for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or strong acids call for a different compound.
Typical settings include fluid power, agricultural equipment, and automotive.
This item is sold individually under part number H90386. Unit weight is approximately 41.3011 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -386 BLACK BUNA 90D O-RING
uf_description2 0.210" (5.33MM) CS X 16.955" (430.66MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 16.955 inch (430.66 mm)
Actual_OD 17.375 inch (441.33 mm)
ProductCode Description O-Rings - Bulk - Commodity