Buna 70-027-Black-Pk15

Ordered as SB-H70027-15, this is an AS568-027 black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 1.301 in (33.05 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.441 in (36.6 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope. Source specification: 1.4375IDX1.3125"ODX.0625"CS.

Buna-N (Nitrile) is specified here for low compression set under sustained load, reliable performance in both static and dynamic service. Expect good resistance to water, hydraulic fluids, and petroleum-based oils. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or automotive brake fluid.

Typical settings include automotive, construction equipment, and fluid power.

Reference part number SB-H70027-15 when ordering; the item is sold by the bag. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.