M2974-N-6.35-1.5-4.0 M2974-N-6-1.5-4.5 M2974-PH-4.0-0.75-2.6 M2974-PH-5.0-0.75-3.0 M29750-3.3BWT M29750-5.0BWT M29750-5.0WWT M29751-5.0BWT M29752BWT M29752WWT