PSC Code 6685 encompasses pressure, temperature, and humidity measuring and controlling instruments used across various federal government applications. This category includes devices such as thermometers (including engine thermometers), pressure gauges, thermocouple leads, and resistance bulbs. These instruments are critical for monitoring and controlling environmental and mechanical conditions in systems ranging from HVAC controls to engine performance and laboratory testing. Government agencies rely on these instruments to ensure operational accuracy, safety, and compliance with regulatory standards in both routine and mission-critical environments. The PSC facilitates the procurement of high-quality, calibrated instruments necessary for precise measurement and control of physical parameters.

Includes for PSC 6685

This PSC code covers the following products and services:

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

Excludes for PSC 6685

This PSC code does NOT cover the following:

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

Typical Buyers & Agencies for PSC 6685

Federal agencies such as the Department of Defense, the Department of Energy, NASA, and the Environmental Protection Agency commonly procure under PSC 6685. These agencies require precise instrumentation for equipment maintenance, environmental testing, research, and operational monitoring. For example, the Department of Defense uses these instruments in vehicle and aircraft maintenance, while NASA employs them for environmental and mechanical system monitoring. Agencies involved in environmental regulation and energy management also utilize these products to ensure accurate data collection and process control.

Common Contract Types for PSC 6685

Contracts under PSC 6685 often include firm-fixed-price and indefinite-delivery indefinite-quantity (IDIQ) contracts, reflecting the need for both one-time procurements and ongoing supply agreements. Procurement methods may range from simplified acquisitions for standard instruments to competitive sealed bidding or negotiated procurements for specialized or custom instruments. Typical use cases include maintenance supply contracts, research equipment procurement, and instrumentation for environmental control systems, where reliability and accuracy are paramount.

Plain-Language Breakdown for PSC 6685

Covers instruments measuring and controlling pressure, temperature, and humidity including thermometers and pressure gauges.
Utilized primarily by defense, energy, environmental, and aerospace agencies for operational and environmental monitoring.
Procured via fixed-price and IDIQ contracts supporting both one-time and recurring supply needs.
Key procurement areas include maintenance, research, environmental monitoring, and industrial process control.
Closely linked with manufacturing and testing industries under NAICS codes 334513, 541380, and 423830.
Excludes clinical thermometers, thermostatic switches, and meteorological instruments, which fall under different PSCs.

Related Categories for PSC 6685

Other categories at the same level as 6685

6605 NAVIGATIONAL INSTRUMENTS

Navigational Instruments

6610 FLIGHT INSTRUMENTS

Flight Instruments

6615 AUTOMATIC PILOT MECHANISMS AND AIRBORNE GYRO COMPONENTS

Automatic Pilot Mechanisms and Airborne Gyro Components

6620 ENGINE INSTRUMENTS

Engine Instruments

6625 ELECTRICAL AND ELECTRONIC PROPERTIES MEASURING AND TESTING INSTRUMENTS

Electrical and Electronic Properties Measuring and Testing Instruments

6630 CHEMICAL ANALYSIS INSTRUMENTS

Chemical Analysis Instruments

6632 ANALYSIS INSTRUMENTS, MEDICAL LABORATORY USE

Analysis Instruments, Medical Laboratory Use

6635 PHYSICAL PROPERTIES TESTING AND INSPECTION

Physical Properties Testing and Inspection

6636 ENVIRONMENTAL CHAMBERS AND RELATED EQUIPMENT

Environmental Chambers and Related Equipment

6640 LABORATORY EQUIPMENT AND SUPPLIES

Laboratory Equipment and Supplies

6645 TIME MEASURING INSTRUMENTS

Time Measuring Instruments

6650 OPTICAL INSTRUMENTS, TEST EQUIPMENT, COMPONENTS AND ACCESSORIES

Optical Instruments, Test Equipment, Components and Accessories

6655 GEOPHYSICAL INSTRUMENTS

Geophysical Instruments

6660 METEOROLOGICAL INSTRUMENTS AND APPARATUS

Meteorological Instruments and Apparatus

6665 HAZARD-DETECTING INSTRUMENTS AND APPARATUS

Hazard-Detecting Instruments and Apparatus

6670 SCALES AND BALANCES

Scales and Balances

6675 DRAFTING, SURVEYING, AND MAPPING INSTRUMENTS

Drafting, Surveying, and Mapping Instruments

6680 LIQUID AND GAS FLOW, LIQUID LEVEL, AND MECHANICAL MOTION MEASURING INSTRUMENTS

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

6695 COMBINATION AND MISCELLANEOUS INSTRUMENTS

Combination and Miscellaneous Instruments

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