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Sargent & Greenleaf High Security Combination Lock Body Only, for GSA Approved Containers
Designed to meet federal specification FF-L-2937 for securing field safes, armory vault doors, weapons containers, and other GSA-approved containers, S&G’s high-security mechanical combination lock offers rugged construction, simple combination changing, built-in thermal protection, and a Spy-Proof dial. Our model 2937 high-security combination lock is easy to install or retrofit onto existing containers. The lock matches the footprint and mounting dimensions of most mechanical and electronic safe locks.
Features
- Three all-metal wheels
- 1 million theoretical combinations
- Dial spindle with carbide barrier pins and shear line to control point of separation
- Stainless steel bolt resists 600 lbs. of side and end bolt pressure
- Built-in thermal protection
- Unique torque adjuster to set and maintain wheel pack torque
- Key-changeable wheel design
- Drilled and tapped holes in the bolt
- Left-right-left dialing with push to open
- Internal relock trigger
Specifications:
- Installation:
- Standard S&G magic module footprint
- Universally handed: left hand, right hand, vertical up, or vertical down mounting
- Operation:
- Familiar left-right-left dialing, turn to zero, press in and release, then turn dial to open
- Over 1,000,000 potential unique combinations
- Key-changeable wheel design
- Spy-Proof dial
- Three all-metal wheels
- Patented torque adjuster
- Resistance to expert manipulation tested and verified to exceed 20 hours
- Bolt is drilled and tapped for use in most government container applications
Manufacturer Resources
Product Specs
- Catergory:
- Mechanical Locks
- Product Group:
- Security Locks
- Product Subgroup:
- Padlocks & Parts
- Series:
- 2937
- Subcategory:
- Safe Lock
- Product Type:
- Cam & Drawer Locks
- Product Height:
- 2.4"
- Product Width:
- 3.4"
- Department:
- Safety
- Product Depth:
- 1.1"
Sargent & Greenleaf 2937-001 – Frequently Asked Questions
1) Does the Sargent & Greenleaf 2937 safe lock have to be mounted in a particular orientation or handing?
No handing to specify. The 2937 is universally handed and can be mounted left hand, right hand, vertical up, or vertical down, so one part covers whichever way the boltwork runs on the container.
2) Does the 2937 lock body come with a dial and ring, or do I need to order those separately?
Lock body only. The 2937 is sold as the body alone, so the Spy-Proof dial and dial ring, plus mounting hardware and any spindle length you need for your door thickness, have to come from elsewhere in the order. If you are swapping the body on a container that already has an S&G dial assembly in good shape, the existing dial and ring stay.
3) Which federal specification does the S&G 2937 high security combination lock meet for GSA approved containers?
The 2937 is designed to meet federal specification FF-L-2937, which is the spec that covers securing field safes, armory vault doors, weapons containers, and other GSA-approved containers. Resistance to expert manipulation is tested and verified to exceed 20 hours.
4) How many combinations does the S&G 2937 have, and can I change the combination myself?
Three all-metal wheels give over 1,000,000 theoretical combinations. The wheel design is key-changeable, so a facility locksmith changes the combination with a change key rather than pulling the lock apart. That matters for institutional and MRO use where combinations rotate on personnel changes.
5) How much force will the bolt on the 2937 take, and what stops a drill or torch attack?
The stainless steel bolt resists 600 lbs of side and end bolt pressure. Against drilling, the dial spindle carries carbide barrier pins and a shear line that controls the point of separation, and an internal relock trigger fires if the lock is punched or forced. Built-in thermal protection covers torch attack on the container.
6) Should I use a mechanical combination lock like the 2937 or an electronic safe lock on a weapons container?
The 2937 is the mechanical choice: no batteries, no electronics to fail, and it holds its combination indefinitely, which is why it suits field safes, armory vault doors, and weapons containers that may sit unattended or deploy away from power. The tradeoff is single-combination operation and manual dialing rather than multiple user codes and audit trail. Because the 2937 matches the footprint of most mechanical and electronic safe locks, the same container can be moved between the two later.
7) How do you dial open an S&G 2937 mechanical safe lock?
Standard left-right-left dialing, then turn to zero, press the dial in and release, and turn the dial to open. The push-to-open step is what retracts the bolt, so anyone used to a conventional S&G mechanical lock will not need retraining.
8) What is the torque adjuster on the S&G 2937 for?
It is a patented adjuster that sets and maintains wheel pack torque. In practice it keeps the dial feel consistent over the life of the lock, which is what keeps a wheel pack from developing the slop that makes dialing unreliable on a container that gets heavy daily traffic.
How fast can I get the Sargent & Greenleaf 2937-001 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Sargent & Greenleaf 2937-001 come with a warranty?
Absolutely. The Sargent & Greenleaf 2937-001 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Sargent & Greenleaf 2937-001?
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Why buy the Sargent & Greenleaf 2937-001 from ZenSupply?
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Our team is always ready to help you choose the right product for your project.