...in a particular field, such as engineering, architecture, or communication. One of the largest professional engineering societies, The National Society of Professional Engineers (NSPE), has members from all engineering disciplines. The NSPE promotes... Learn More about Trade Organizations and Professional Societies

Common metric sizes range from less than 10 mm to greater than 1000 mm. The American National Standards Institute (ANSI) assigns “schedule numbers” to classify wall thicknesses for different pressure uses. ANSI schedule numbers cover all... Search by Specification | Learn More about Pipe Fittings

Metric gears are defined by module, which designates the center-to-center distance between successive teeth. Search by Specification | Learn More about Metric Gears

Metric pitch timing pulleys mesh with same-pitch timing belts on synchronous drives where maintenance of speed ratio is important. These pulleys have a millimeter-based pitch designation. Search by Specification | Learn More about Metric Pitch Timing Pulleys

Metric pitch timing belts mate with same-pitch timing pulleys in power transmission systems where maintenance-of-speed ratio is an important design consideration. Metric pitch is the distance between belt teeth based on millimeters (mm). Search by Specification | Learn More about Metric Pitch Timing Belts

of GreenSpring computers and a specification maintained by the VITA standards organization (VSO) of the American National Standards Institute (ANSI). Search by Specification | Learn More about IndustryPack® Modules

...and decades. Devices that can be traced to the National Institute of Technology Standards (NIST) are compared to a master standard that has been checked against a NIST standard. Transfer, primary or laboratory grade resistance standards and decades are used... Search by Specification | Learn More about Resistance Standards and Decades

...body of professionals. This interchangeability means that companies can conduct business across state or even national borders. Manufacturing regulations are government-defined and usually involve legislation for controlling the practices... Search by Specification | Learn More about Codes, Standards and Regulations

...obtain a National Pollutant Discharge Elimination System (NPDES) permit from the Environmental Protection Agency (EPA). According to the Clean Water Act, facilities cannot discharge pollutants from a point source into any water of the United States... Search by Specification | Learn More about Environmental Consulting and Engineering Services

Bolts are threaded rods or pins that fasten objects together. They usually have a head at one end and a thread at the other. Bolts are secured by threaded nuts, and are available in both metric and non-metric designations. Search by Specification | Learn More about Bolts

...numerically, or a schedule size may be chosen for pipe that conforms to the standard schedule dimensions. The American National Standards Institute (ANSI) assigns "schedule numbers" to classify wall thicknesses for different pressure uses... Search by Specification | Learn More about Industrial Pipe

...telecommunications, and other plastic cases assemblies. Threaded inserts should adhere to American National Standards Institute (ANSI) standards. Search by Specification | Learn More about Threaded Inserts

Metric roller chain sprockets engage chains in many different power transmission and conveyor systems. Sprockets and chains are often an economic, reliable drive system for long running, continuous drive applications with limited shock and torque Search by Specification | Learn More about ISO Roller Chain Sprockets

...ranges for ball bearings. The higher the ABEC number the tighter the bearing tolerances. ANSI -American National Standards Institute and AFBMA - Anti-friction Bearing Manufacturers Association specifies other standards. Special materials and plating... Search by Specification | Learn More about Ball Bearings

The standards by which screws are measured by are controlled by the American Society of Mechanical Engineers (ASME) and the American National Standards Institute (ANSI). Search by Specification | Learn More about Screws