**4172-514AD MINNESOTA RUBBERQUAD RING

APG stocks the VQ4172, an AS568-172 black Viton® (FKM) 75 Shore A quad profile Quad-Ring supplied with an inside diameter of 8.237 in (209.22 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 8.443 in (214.45 mm). A quad-ring seats in a standard o-ring gland while offering improved dynamic performance.

As a material, Viton® (FKM) delivers outstanding high-temperature capability, excellent resistance to compression set and permeation. The compound resists petroleum oils and fuels, many acids, and aggressive chemicals. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service.

Maintenance and OEM teams specify it across chemical processing, automotive fuel systems, and semiconductor equipment.

Reference part number VQ4172 when ordering; the item is sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.