VT0J471ME077000CE0 VT-0-Q VT-1/2 VT-1/4-2 VT-1/4-2-1/4 VT-1/4-3 VT-1/4-3-1/4 VT-1/4-AJ-P VT-1/4-NPT-PRS VT-1/4-PRS