O-Ring for Flat-Face Fitting - 10 O-RING FF

O-Rings for Flat-Face Fittings Come in Sizes -4 to -12 & -16 to -24. 90 Durometer Hardness. Caution: These O-Rings Are Compounded From a Nitrile Polymer for Use w/ Petroleum-Base Hydraulic Fluids, Water & Glycol & Oil-Water Emulsions. DO NOT USE These O-Rings w/ Phosphate Esters, Diesters or Phosphate Ester Emulsion Hydraulic Fluids. Instead, Use O-Rings Made of Viton, EPDM of CPE Polymers or Other Materials Compatible w/ the Fluids.