Ordered as H50326, this is an AS568-326 black Buna-N (Nitrile) 50 Shore A O-Ring with an inside diameter of 1.6 in (40.64 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 2.02 in (51.31 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. This material stands up to greases and lubricants, many alcohols, and propane and butane. 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.
Maintenance and OEM teams specify it across automotive, agricultural equipment, and hydraulic and pneumatic systems.
This item is sold individually under part number H50326. Unit weight is approximately 0.005 g and nominal inside diameter is listed as 1 5/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
description -326 BLACK BUNA 50D O-RING
uf_description2 0.210" (5.33MM) CS X 1.600" (40.64MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 1.6 inch (40.64 mm)
Actual_OD 2.02 inch (51.31 mm)
ProductCode Description O-Rings - Bulk - Commodity