MEASUREMAN 2-1/2inch Dial Size, Liquid Filled Pressure Gauge, -60psi/kpa, 304 Stainless Steel Case, 1/4inNPT Lower Mount. 4.7 out of 5 stars. 2,964. in Industrial Pressure Gauges. 1 offer from $13.97. This was NASA's fourth attempt at a wet dress rehearsal for the massive moon rocket. The agency first rolled the rocket out to LC-39B back in March..