Part number QH70380 is an AS568-380 black Buna-N (Nitrile) 70 Shore A quad profile Quad-Ring with an inside diameter of 11.475 in (291.47 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 11.895 in (302.13 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 for an economical choice for high-volume maintenance programs and low compression set under sustained load. Expect good resistance to many alcohols, water, and greases and lubricants. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.
It sees regular use in construction equipment, agricultural equipment, and automotive.
QH70380 ships individually. Unit weight is approximately 25.429 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description Q-380 BUNA 70 Q RING
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 11.475 inch (291.47 mm)
Actual_OD 11.895 inch (302.13 mm)
ProductCode Description O-Rings - Square/Quad - Commodity