H70380 is an AS568-380 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 11.475 in (291.47 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 11.895 in (302.13 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Expect good resistance to water, propane and butane, and greases and lubricants. That behavior comes from the compound itself: Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. 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 automotive brake fluid or strong acids.
Typical settings include agricultural equipment, construction equipment, and general industrial maintenance.
Order part number H70380, sold individually. Unit weight is approximately 25.478 g and nominal inside diameter is listed as 11 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design.
description -380 BLACK BUNA 70D O-RING
uf_description2 0.210" (5.33MM) CS X 11.475" (291.46MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 11.475 inch (291.47 mm)
Actual_OD 11.895 inch (302.13 mm)
ProductCode Description O-Rings - Bulk - Commodity