3MM CS X 101MM ID BLACK BUNA 70D

H3X101 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 101 mm (3.976 in), a cross section of 3 mm (0.118 in), and an outside diameter of 107 mm (4.21 in). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for low compression set under sustained load, strong abrasion and tear resistance. The material holds up against hydraulic fluids, water, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where strong acids or automotive brake fluid are present.

Common environments for this compound include agricultural equipment, construction equipment, and fluid power.

Order part number H3X101, sold individually. Unit weight is approximately 2.798 g. 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.