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ANSI/BHMA A156.5-2010

Cylinders and input devices for locks

ANSI/BHMA A156.5 establishes requirements for mechanical cylinders, push button mechanisms, and electrified input devices which include security tests, operational tests, finish tests, and dimensional criteria.

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Builders Hardware Manufacturers Association [BHMA]


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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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