Ordered as VQ4150, this is an AS568-150 black Viton® (FKM) 75 Shore A quad profile Quad-Ring with an inside diameter of 2.862 in (72.69 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.068 in (77.93 mm). The quad-ring provides a dual sealing band on each contact face for improved reliability.
This material stands up to aromatic hydrocarbons, aggressive chemicals, and petroleum oils and fuels. That behavior comes from the compound itself: Viton® (FKM) is known for excellent resistance to compression set and permeation, outstanding high-temperature capability. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). It is not the right choice where hot water and steam or amines are present.
Common environments for this compound include semiconductor equipment, aerospace, and oil and gas.
Stocked as VQ4150 and sold individually. Nominal inside diameter is listed as 2 7/8. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description *4150-514AD MINNESOTA RUBBER QUAD RING
Actual_ID 2.862 inch (72.69 mm)
Actual_OD 3.068 inch (77.93 mm)
Actual_CS 0.103 inch (2.62 mm)
ProductCode Description O-Rings - Square/Quad - Premium