Ordered as H90169, this is an AS568-169 black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 7.487 in (190.17 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 7.693 in (195.4 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Buna-N (Nitrile) delivers the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. This material stands up to propane and butane, petroleum-based oils, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where strong acids or automotive brake fluid are present.
Maintenance and OEM teams specify it across fluid power, automotive, and agricultural equipment.
This item is sold individually under part number H90169. Unit weight is approximately 4.4128 g and nominal inside diameter is listed as 7 1/2 inch. 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 -169 BLACK BUNA 90D O-RING
uf_description2 0.103" (2.62MM) CS X 7.487" (190.17MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 7.487 inch (190.17 mm)
Actual_OD 7.693 inch (195.4 mm)
ProductCode Description O-Rings - Bulk - Commodity