Part number H3.5X29.7 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 29.7 mm (1.169 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 36.7 mm (1.44 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load. Supplementary detail from the product record: Metric O-RING, JIS P30.
As a material, Buna-N (Nitrile) is specified for strong abrasion and tear resistance, reliable performance in both static and dynamic service. It resists water, greases and lubricants, and petroleum-based oils. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
Common environments for this compound include fluid power, construction equipment, and hydraulic and pneumatic systems.
This item is sold individually under part number H3.5X29.7. Unit weight is approximately 1.2389 g. Check the compound against your process media, pressure and temperature before committing to a design.
description 3.5MM CS X 29.7MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING, JIS P30
Actual_OD 36.7 mm (1.44 inch)
Actual_CS 3.5 mm (0.138 inch)
Actual_ID 29.7 mm (1.169 inch)
ProductCode Description O-Rings - Metric - Commodity