Mahr Federal DA-SPEC-190 Dimensionair forAPI Oilwell Gaging. Air tooling is available for measuring long bores, such as pump barrels used in the oil field industry . Air Plugs ideal for checking wear in Oil Well Pump Barrels . Oil well Subsurface Pump Barrel Gaging Comparators for Oilwell Subsurface Pump Barrels
Mahr Federal Pump Barrel Extended Range Air Plugs — Oil Industry Contact Style Air Plugs Non-Relieved Air Plug. DA-spec-190
Air tooling is available for measuring long bores, such as pump barrels used in the oil field industry. The tooling is modified to have up to a 0.254mm/.010in total range. It
carries a DPS model number and is basically 2500:1 tooling with extra clearance, a 1/4in polished, trailing and leading edge radius, as well as a full .006in thickness on diameter of hard chrome plate for increased wear life.