Overview Additional Info Reviews Product Description O-Ring, Suitable For SAE thread, N552-90 NBR Fittings are supplied with O-rings made from ozone-resistant Nitrile (NBR) rubber compound suitable for temperatures. Product Additional Info Additional Tech Info Product Documents Product Videos Custom Field Product Reviews Write a Review Write a Review × Parker Hannifin O-Ring, Suitable For SAE thread, N552-90 NBR Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *