This o-ring is supplied in AS568-271 black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 9.234 in (234.54 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 9.512 in (241.6 mm), catalogued under part number H70271. It delivers dependable bidirectional sealing in a compact groove envelope.
The material holds up against greases and lubricants, water, and propane and butane. Buna-N (Nitrile) is specified for low compression set under sustained load and the most widely specified general-purpose sealing elastomer. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Exposure to automotive brake fluid or polar solvents will shorten service life.
Common environments for this compound include construction equipment, agricultural equipment, and automotive.
H70271 ships individually. Unit weight is approximately 9.1963 g and nominal inside diameter is listed as 9 1/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description -271 BLACK BUNA 70D O-RING
uf_description2 0.139" (3.53MM) CS X 9.234" (234.54MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 9.234 inch (234.54 mm)
Actual_OD 9.512 inch (241.6 mm)
ProductCode Description O-Rings - Bulk - Commodity