X-10 and LKM Series-Certified Security Services

Locksmith in Overland, MO – Serving St. Louis & St. Charles Counties

Government-Approved High-Security Solutions

When it comes to protecting sensitive materials, classified facilities, or high-security environments, there’s no room for compromise. At AA Key and Lock Services, we are certified specialists in X-10 and LKM Series locks—the U.S. government’s top-rated security solutions for containers, doors, and vaults.


Backed by over 40 years of locksmith expertise, our team delivers installations, service, and repairs that meet the strictest compliance standards. We proudly provide certified high-security lock services for federal agencies and government contractors, military and defense facilities, healthcare and research institutions, classified and restricted-access environments, and businesses requiring FIPS or ICD 705 compliance.

  • X-10 High-Security Locks

    • Sales and professional installation
    • Maintenance and combination changes
    • Certified servicing and repairs

  • LKM-7000 Series Exit Devices

    • Sales and installation for secure doors
    • Full servicing and repairs for compliance and performance

  • Additional Services

    • Support for legacy X-09 locks
    • Security assessments for federal, defense, and contractor facilities
    • Routine inspections to maintain compliance
Wooden door with a silver push bar and a green sign reading
Silver crash bar on a white door.
Silver door handle on a white door.

Why Choose X-10 and LKM Locks?

The Kaba Mas X-10 lock is the U.S. Government’s highest security standard for Style 1 applications, developed in compliance with federal specification FF-L-2740 Revision “B”. With nearly one million units installed, the X-10 is trusted across federal agencies, defense contractors, and secure facilities.


  • Approved by the GSA for Class 5 and Class 6 filing cabinets and Class 5 security vault doors
  • Self-powered with PowerStar™ technology—no batteries or external power required
  • Electronic reliability with mechanical security for maximum protection
  • User-friendly programming & audit trail features
  • Designed for compliance with federal security regulations



The LKM-7000 Series adds another layer of protection with specialized exit devices for secure environments, ensuring both high-security access and emergency egress capabilities.