Includes
Liquid Level Float Instruments; Revolution Counters; Speedometers; Rotation Measuring Instruments and Apparatus; Oxygen Flow Indicators; Tachometers, including Engine Tachometers.

Excludes
Combination Instruments; (FSC 6695); Meteorological Instruments (FSC 6660); and Automatic Control Valves (FSG 48).

Possible NAICS Codes
334519 – Other Measuring and Controlling Device Manufacturing
334514 – Totalizing Fluid Meter and Counting Device Manufacturing
334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
333618 – Other Engine Equipment Manufacturing
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
333120 – Construction Machinery Manufacturing
334610 – Manufacturing and Reproducing Magnetic and Optical Media
333310 – Commercial and Service Industry Machinery Manufacturing