You should create a custom filter. By evaluating multiple conditions in one filter it will gain 'performance'.

$scope.filterData = function (item) {
    return (item.SECURITYCLASS === 90 || item.SECURITYCLASS === 93);
}

    {{::item}}

//demo
http://plnkr.co/edit/aDx3SfXaTqEqrlMxIzgd