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Sargent 65G05 KL Lockset Teardown: What's Inside a Cylindrical Door Lock

Ever wonder what is really inside a commercial door lock? This 51-second short takes apart a Sargent 65G05 KL cylindrical lockset with three small tools, then puts it back together.

What the video shows

  • A Sargent 65G05 KL lockset taken apart with three small tools.
  • A worn latch retractor, which can make a lever stick.
  • The lockset reassembled.

About this lockset

The Sargent 65G05 KL is a Grade 2 cylindrical lockset with office/entrance function (ANSI F109) and is UL listed, according to our product listing. Finish, backset and cylinder options are chosen on the product page.

What you need

  • This short is a teardown, not a repair kit. It shows how the lockset is built rather than a single part to replace.
  • If a lockset on your door is worn out, you can look at the Sargent 65G05 KL on the product page.

View the Sargent 65G05 KL lockset

Before you order

Match the part number on the product page to the part you are replacing. Not sure? Contact our team before you order. Items that were bought but not installed can be returned within 30 days of purchase. See our Return and Warranty Policies.

David Bolton October 18, 2026
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