Skip to main content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.
Identify standards you need using these free databases:
What is a standard?
A standard is defined by the National Standards Policy Advisory Committee as:
"A prescribed set of rules, conditions, or requirements concerning definitions of terms; classification of components; specification of materials, performance, or operations; delineation of procedures; or measurement of quantity and quality in describing materials, products, systems, services, or practices."
What is a standard? from ISO.
For detailed & historical information on standards in the United States see:
More ways to get help
Ask a question, make an appointment, give feedback, or visit us.