FSC 6636 Environmental Chambers and Related Equipment

Includes Chambers; Wind Tunnels; Enclosures specifically designed to simulate an environmental condition; Weatherometers; Fadeometers; Specially designed equipment and components exclusively related to environmental chambers.

Excludes General purpose prefabricated buildings, chambers, panels, and components (FSC 5410); Controlled Environmental Conditioning Kits and Sets (FSC 4240); Baths (FSC 4510); Ovens (FSC 7310); Kilns (FSC 3630); Radiosonde Baseline Check Sets (FSC 6660); Divers Recompression Chambers (FSC 4220); Altitude Training Decompression Chambers (FSC 6930); and Chambers used as training devices (FSC 6930); Checkout and Test Equipment (FSC 6625); Chemical Analysis Instruments (FSC 6630); Electrical and Electronic Properties Measuring and Testing Instruments (FSC 6625); and Meteorological Instruments (FSC 6660).

FSC 6670 Scales and Balances

Includes Coin Operated, Household, Industrial, Postal, and Laboratory Scales and Balances.

FSC 6605 Navigational Instruments

Includes Azimuths; Sextants; Octants; Compasses; Plotting Boards; Underwater Log Equipment; Air Position Indicators; Drift Meters.

FSC 6640 Laboratory Equipment and Supplies

Includes Laboratory Glassware; Laboratory Funnels; Laboratory Furnaces; Glass Beads; Laboratory White Sand; Litmus Paper; Paper Filters; Insect Transfixion Pins; Laboratory Glass Wool; Laboratory Furniture, except Dental Laboratory.

Excludes Instruments covered by other classes in group 66; Dental Laboratory Equipment; Laboratory Scales and Balances; In Vitro Diagnostic Substances and Reagents.

FSC 6675 Drafting, Surveying, and Mapping Instruments

Includes Drawing Instruments, Drafting Tools; Engineering and Architectural Scales; Levels; Transits; Photogrammetric Instruments; Astrolabes; Level Rods; Plane Tables; Surveying Altimeters; Theodolites.

Excludes Surveyors' Tapes.

FSC 6610 Flight Instruments

Includes Air Speed Indicators; Rate of Climb Indicators; Bank and Turn Indicators; Pitot Tubes; Gyro Horizon Indicators; Attitude Gyro Indicators.

Excludes Navigational Instruments (FSC 6605).

FSC 6645 Time Measuring Instruments

Includes Clocks; Job Recording Devices; Time Recorders; Time Stamps, Watch and Clock Movements; Watches.

FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments

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).

FSC 6615 Automatic Pilot Mechanisms and Airborne Gyro Components

Includes Automatic Pilot Regulators; Directional, Vertical, Bank and Turn, and Hydraulic Surface Gyro Controls; Airborne and Shipborne Automatic Pilot Mechanisms; Helicopter Automatic Stabilization Equipment.

Excludes Automatic Pilot Training Devices (FSC 6930); and Automatic Pilot Mechanisms, Guided Missile (FSC 1420).

FSC 6650 Optical Instruments, Test Equipment, Components and Accessories

Includes Binoculars; Magnifiers; Microscopes; Periscopes; Telescopes; Optical Elements; such as Lens, Prisms, Windows; Optical Benches and Associated Devices; Endoscopes, Fiber Optics (Non-Medical).

Excludes Fire Control Instruments, Optical; Surveying Instruments, Optical; Photogrammetric Instruments; Octants; and Sextants; Optical Instruments Integrated with Fire Control Equipment; Opthalmological Instruments; Electronic Fiber Optic Test Equipment; Medical Endoscopes.

FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments

Includes Thermometers, including Engine Thermometers; Pressure Gages; Thermocouple Leads; Resistance Bulbs.

Excludes Clinical Therometers; (FSC 6515); Thermostatic and Differential Pressure Switches (FSC 5930); and Meteorological Instruments (FSC 6660).

FSC 6620 Engine Instruments

Includes All Engine Instruments, including Aircraft, Marine, and Vehicular; Fuel Pressure Gages; Manifold Pressure Gages; Oil Pressure Gages; Fuel Mixture Indicators; Engine Oil and Fuel Warning Devices.

FSC 6655 Geophysical Instruments

Includes Geodetic, Oceanographic and Seismographic Instruments.

Excludes Telescopes.

FSC 6695 Combination and Miscellaneous Instruments

Includes Flow-Pressure Instruments; Taximeters; Dynamometers.

Excludes Dental, Medical, Surgical, and Veterinary Instruments.

FSC 6625 Electrical and Electronic Properties Measuring and Testing Instruments

Includes Test Leads and Test Lead Attachments; Test instruments designed for communication equipment; Test instruments designed for use with electronic equipment classified in two or more FSC groups.

Excludes Radiac Equipment

FSC 6660 Meteorological Instruments and Apparatus

Includes Meteorological Ballons; Radiosonde Sets; Radarsonde Sets.

FSC 6630 Chemical Analysis Instruments

Includes Acidity (pH) Meters; Gas Analyzers; Alakalinity Measuring Instruments; Colorimeters.

Excludes Gas Detecting Equipment; Manual Gas Alarms; Chemicals; In Vitro Diagnostic Substances and Reagents.

FSC 6665 Hazard-Detecting Instruments and Apparatus

Includes Radiac Equipment; Gas Detecting Equipment; Land Mine Detecting Equipment.

Excludes Manual Gas Alarms (FSC 6350).

FSC 6635 Physical Properties Testing and Inspection

Includes Destructive and Nondestructive Inspection Equipment such as Fluorescent Penetrant Inspection Units; Magnetic Inspection Units; Industrial X-Ray Machines; Industrial X-Ray Film; Tensiometers; Material Hardness Testers.

Excludes General Purpose Measuring Tools (FSC 5210) and Precision Measuring Tools and Inspection Gages (FSC 5220).