Simplex 5041

Extra Heavy Duty Keyless Lock

Reviews (6) | Customer Questions (5)


Keep it simple. The Simplex 5041 hits the top of the charts for security and reliability with easy keyless access. This extra heavy duty and fully mechanical keyless lock reduces the costs and problems associated with electronic maintenance, managing keys, and labor. Features key override and passage mode.

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SKU: 5041
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  • ADA compliant lock
  • 100% Mechanical push-button lock
  • Thousands of possible codes combinations
  • Change code with change tool (provided) from exterior side on 5021 and 5041 models, interior side on 5031 and 5051 model to meet Dept. of Defense standards
  • Auto-locking with passage mode feature (in passage mode – set from inside – lock will latch shut but not lock, allowing for code-free entry)
  • Covers existing standard ASA 161 door hole
  • Extra Heavy Duty Latchbolt with deadlocking plunger
  • Fits left and right swinging doors
  • All hardware and instructions included with order
  • Low maintenance, no batteries or wires
  • Fits nearly all hinged doors
  • Includes mechanical key override for emergency access
  • Backset:  2 3/4″ included (2 3/8″ available at checkout)  How do I measure?
  • 3-year manufacturer warranty

**Lock shipped standard with Schlage brand conventional cylinder for key override in 5021, 5031, and 5041 non-IC models.

GoKeyless™ is a factory trained and authorized Kaba Simplex® dealer. Sales, service, support, valid warranties. It's why thousands of clients around the world choose GoKeyless™ for their security and access control needs each year. Simplex 5041 - Combination Entry (change codes from exterior), Key Override & Passage Industrial strength combination lock from the leader in top of the line security solutions, Kaba Ilco.  Kaba has been making high quality security products for over 100 years.  The Simplex 5000 Series is an ANSI rated Grade 1 security lock that is highly weather resistant.  Entry is gained via a 1 to 5 digit code that is sequential.  Vandal resistant, the Simplex series of PIN based locks have found widespread acceptance in high-traffic commercial, institutional, and government buildings.
Exterior Dimensions

8 7/8 (H) x 3 3/8 (W) x 3 3/16 (D) in.

Inside Dimensions

8 7/8 (H) x 3 3/16 (W) x 2 1/8 (D) in.

Door Thickness Minimum

1 3/8 in.

Door Thickness Maximum

2 1/4 in.

Door Handing


Door Stile Width

Minimum 5 in.

Door Prep

Standard 2 1/8 in. Cross-Bore, Edge Bore: 1 in., Through-Bolt Hole(s)

ANSI Rating

A156.2, Grade 1 (Best)

BHMA Rating

Grade 1 (Best)

Code Length

1 to 5 Digits

Code Capacity





2 3/4 in.




Kaba Simplex

Lock Features

Passage Mode

Handle Type

Lever Handle Door Locks

Door Opening


Locking Device

Cylindrical Latch

Access Type

Key, Keypad – Digits


Extra heavy-duty solid cast housings, Solid cast, ADA-compliant levers

Fire Rating

3-hour UL/ULC fire rating for A labeled doors


9.25 lbs


3 Year Manufacturer


Single Factor

Share your thoughts!

4.83 out of 5 stars

6 reviews

Let us know what you think...

One review with a 4-star rating

  1. William from Michigan

    The Simplex 5041 was easy to install in my existing door and the entry code also easy to program’ the lock is built ruggedly and has been working well’ it allows me to give entry access to contractors and stop the access by revising the code when appropriate. Gokeyless was also quick and helpful in selecting the right lock for my needs.

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Customer Questions & Answers

  1. A

    Yes, as long as your key is the same keyway as the cylinder in this lock. We offer keying services in house, you can find the link here. For more information on how to have the key alike service match your existing key feel free to reach out to someone on our sales team at 937-247-9327, choose option 1 for Sales.

  2. Q Does this lock work in below freezing conditions? answer now
    Asked by Mike on June 1, 2022 3:51 PM

    This lock is weatherproof and would work in below freezing temperatures. 

  3. A

    The physical key will only have the ability to open the door. It is simply a physical override and cannot be used to disable the electronics. 

  4. A

    The Simplex 5000 does not offer a privacy feature to disable access from the outside. 

  5. A

    There is not for this lock type, however, you can go with an EE lockset by simplex which is double sided and comes in either keyed or non-keyed version.  

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