**4102-366Y MINNESOTA RUBBER QUAD RING

Part number HQ4102 is an AS568-102 black Buna-N (Nitrile) 70 Shore A Quad-Ring built to an inside diameter of 0.049 in (1.24 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.255 in (6.48 mm). A quad-ring uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, economical choice for high-volume maintenance programs. It resists hydraulic fluids, many alcohols, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or strong acids. The profile itself contributes a parting line located away from the sealing surface and resistance to the spiral twisting that defeats round-section rings.

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

Order part number HQ4102, sold individually. Nominal inside diameter is listed as 1/16 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.