S&G Model 2740B Lock, Dial & Ring Package

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  • S&G Model 2740B Lock, Dial & Ring Package
  • S&G Model 2740B Lock, Dial & Ring Package
  • S&G Model 2740B Lock, Dial & Ring Package
  • S&G Model 2740B Lock, Dial & Ring Package
  • S&G Model 2740B Lock, Dial & Ring Package

This item is out of stock, but its components may be readily available in our warehouse. Contact us to see how we can help!

Frequently bought together:


Model 2740B High Security Lock.  NSN 5340-01-613-2080 (GSA) - NSN 5340-01-628-4750 (DLA)

Sargent and Greenleaf safe locks have been protecting the assets of banks, businesses and governments for more than 150 years. The S&G Model 2740B Lock represents the latest design advances to produce an electromechanical lock specifically engineered to secure GSA approved containers.


  • Advanced electromechanical design that offers an exceptional level of security in an easy-to-operate safe lock.
  • Quick and easy dialing sequence, and one-handed operation for convenience.
  • 20 man-hours resistance to expert manipulation.
  • Built in thermal protection provided by an integral thermal re-lock component.
  • Simplified installation process significantly decreases installation time and reduces the likelihood of errors and damage to parts.
  • Meets the stringent requirements of Federal Specification FF-L-2740B. 
  • Change key included for quick, easy combination changing is included with each lock.
  • Stainless steel lock bolt is tested to resist 600 lbs of force.
  • Single User and Dual Control modes of operation are selectable and changeable at any time.
  • Lock case uses S&G's "Magic Module"™ footprint and .461 inch bolt throw for ease of retrofit on existing containers.
  • Use of internal batteries allows for a straightforward, robust lock design.
  • Lock cover is retained on the lock whenever the bolt is retracted.



 NOTE: In accordance with Federal Specification FF-L-2740B, paragraph 1.1.1, sales of this lock are restricted to the U.S. Federal Government, Government contractors specifically authorized to purchase these locks, or other organizations or persons specifically authorized or required by the Government to use these locks. If we cannot determine a purchaser meets the required criteria, we are obligated to refuse the sale of this lock.

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