Ordered as H3.5X86, this is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 86 mm (3.386 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 93 mm (3.66 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, Buna-N (Nitrile) is widely chosen for reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. It resists many alcohols, greases and lubricants, and petroleum-based oils. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in ozone and direct sunlight or strong acids.
You will find this material specified across agricultural equipment, automotive, and construction equipment.
Reference part number H3.5X86 when ordering; the item is sold individually. Unit weight is approximately 3.374 g. Review your operating media and conditions against this specification before installation.
description 3.5MM CS X 86MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 93 mm (3.66 inch)
Actual_CS 3.5 mm (0.138 inch)
Actual_ID 86 mm (3.386 inch)
ProductCode Description O-Rings - Metric - Commodity