Part Number: 9.804-001.0 Cross Reference Part Number(s): 348265, 98040010, X98040010 This 9.804-001.0 Stainless Steel 10000 PSI Pressure Gauge is a Bottom Mount gauge with a 1/4″ NPT Brass Stem. This pressure gauge is ideal for setting and monitoring operating pressures on pressure washer pumps, car wash equipment and more.