Ordered as H70030, this is an AS568-030 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 1.614 in (41 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.754 in (44.55 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs and low compression set under sustained load. It resists propane and butane, water, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Exposure to ozone and direct sunlight or automotive brake fluid will shorten service life.
Common environments for this compound include hydraulic and pneumatic systems, agricultural equipment, and automotive.
Reference part number H70030 when ordering; the item is sold individually. Unit weight is approximately 0.42 g and nominal inside diameter is listed as 1 5/8 inch. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description -030 BLACK BUNA 70D O-RING
uf_description2 0.070" (1.78MM) CS X 1.614" (41MM) ID
Actual_CS 0.07 inch (1.78 mm)
Actual_ID 1.614 inch (41 mm)
Actual_OD 1.754 inch (44.55 mm)
ProductCode Description O-Rings - Bulk - Commodity