Ordered as H50329, this is an AS568-329 black Buna-N (Nitrile) 50 Shore A O-Ring supplied with an inside diameter of 1.975 in (50.17 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.395 in (60.83 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.
Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer and economical choice for high-volume maintenance programs. This material stands up to hydraulic fluids, petroleum-based oils, and many alcohols. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.
You will find this material specified across construction equipment, general industrial maintenance, and agricultural equipment.
Reference part number H50329 when ordering; the item is sold individually. Unit weight is approximately 0.0051 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 -329 BLACK BUNA 50D O-RING
uf_description2 0.210" (5.33MM) CS X 1.975" (50.17MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 1.975 inch (50.17 mm)
Actual_OD 2.395 inch (60.83 mm)
ProductCode Description O-Rings - Bulk - Commodity