Top Brand Cam and Groove Gasket, Nitrile, For Coupling Size 4 in, Black, PK 10 GASK QC400 10G Mount Type Recessed Mounted and air inert gas service applications and air inert gas service applications 75 In Diameter and military and defense applications Nitrile (Buna N or acrylonitrile butadiene) cam and groove gaskets offer excellent resistance to oils and moderate resistance to aromatics and solvents
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