PSC 6685: PRESSURE, TEMPERATURE, AND HUMIDITY MEASURING AND CONTROLLIN — Federal Procurement Code

66 - INSTRUMENTS AND LABORATORY EQPT L1: Industrial Products & Services

Description

Pressure, Temperature, and Humidity Measuring and Controlling Instruments

Includes

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

Excludes

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

Suggested adjacent classifications

PSC codes describe what the government buys. These related classifications help connect procurement codes to industries, commodities, and trade workflows.

Related NAICS industries

334513

Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables

3345

Navigational, Measuring, Electromedical, and Control Instruments Manufacturing

33451

Navigational, Measuring, Electromedical, and Control Instruments Manufacturing

334519

Other Measuring and Controlling Device Manufacturing

Related UNSPSC categories

41112303

Temperature humidity testers

41114408

Temperature or humidity surface observing apparatus

41103418

Temperature and humidity walk in environmental chamber

41111927

Pressure sensors

Official data

Feature	Description
Official name	Product Service Codes (PSC)
Maintained by	U.S. federal acquisition community / GSA PSC Manual
Purpose	Classifies what the government buys: products and services
Primary use	Federal procurement reporting, contract categorization, spend analysis
Code type	Mixed/unspecified

When do you need PSC 6685?

1 Use PSC 6685 when identifying the product or service category on a U.S. federal contract.

2 Use it when filtering opportunities or spending data in SAM.gov, FPDS, or USASpending.

3 Use it when comparing a procurement category against related NAICS industries or UNSPSC commodities.

4 Use it when a contracting workflow needs the purchased item classification rather than the supplier industry code.