Ordered as H90142, this is an AS568-142 black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 2.362 in (59.99 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.568 in (65.23 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. Expect good resistance to many alcohols, petroleum-based oils, and hydraulic fluids. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ozone and direct sunlight or strong acids.
Common environments for this compound include automotive, agricultural equipment, and fluid power.
Order part number H90142, sold individually. Unit weight is approximately 1.4881 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description -142 BLACK BUNA 90D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 2.362 inch (59.99 mm)
Actual Outside Diameter 2.568 inch (65.23 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity