s.5" Type 232.53 60PSI Gauge - 1/4" NPT CBM Stainless Steel Gauge: c-1706 ashcroft: 1009s-xr5 These gauges feature 316 stainless steel wetted parts and 304 stainless steel case and crimped ring, and can be liquid filled in the field. specifications: connection location: center back mount wetted parts: stainless steel case material: stainless steel case filling: splash resistant window type: crimped window construction: acrylic compatibility u.