Buna 70-2.5mmCSx13mmID-Black-Pk100

The SB-H2.5X13-100 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 13 mm (0.512 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 18 mm (0.71 in). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. Additional detail on this item: 13MMIDX2.5MMCS.

The compound resists hydraulic fluids, propane and butane, and many alcohols. Buna-N (Nitrile) is widely chosen for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

Maintenance and OEM teams specify it across general industrial maintenance, agricultural equipment, and fluid power.

Reference part number SB-H2.5X13-100 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.