NUT PREVAIL TORQUE HEX NUT W NONMETAL INSERT 3/8-16 X .564 IN ST CLEAR ZINC Product DescriptionNUT PREVAIL TORQUE HEX NUT W NONMETAL INSERT 3/8-16 X .564 IN ST CLEAR ZINCProduct InformationFits to model (7)Zero-Turn Lawn MowersHUSQVARNA Z248FHusqvarna Z246HUSQVARNA MZ54HUSQVARNA MZ54HUSQVARNA Z448HUSQVARNA Z454Zero-Turn MowersHUSQVARNA MZ 54S