172860 - U.S. Gauge MODEL #1403 Test Gauge, SIZE - 6" (150mm), WETTED MATERIAL - Brass, CASE MATERIAL - Aluminum, Painted Black, CONNECTION - 1/4" NPT, MOUNTING LOCATION - Low Back Mount, ENGINEERING UNITS - HG & PSI, PRIMARY RANGE - 30 - 0 - 60, ACCURACY - +/- 0.25% of Span, LIQUID FILLABLE - NO