GAGE,COMPARATOR,AIR for FSG 52

A gage designed to compare dimensional characteristics by indicating a difference in air flow. The gage is connected to an external air supply, the pressure is regulated and released between a gaging member and the item being checked. A variation in size, or a difference in size from a master, will be indicated by a difference in air flow. It consists of a GAGING MEMBER, COMPARATOR, AIR PLUG, an indicator, and may include a pressure regulator. Excludes GAGE, AIR FLOW, METALIZING; GAGE, SMALL HOLE; and GAGE SET, SMALL HOLE.