LID-LOCK KEY REPLACEMENT

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ted johnson

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Oct 2, 2025, 12:37:35 PMOct 2

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Here’s a new option for replacing some of the missing machinist chest lid-lock keys.

I now have full key dimensions using alternative blanks, including the lever-tumbler’s tab depths, for the following key numbers–

Eagle A50M1 thru A50M48, Eagle A41N1 thru A41N60, National 56-E-1 thru 56-E-19, Corbin 0X1 thru 0X12, Excelsior KY11 thru KY98 and Excelsior 411 – 493 Series.

When someone posts on a Forum that they’re missing one of the above key numbers, I can reply with a sketch of their numbered key. They can take a copy to a locksmith for a new key. An example is attached……..Ted

All chest lid-lock manufactures also supplied an identical (to their line) lock assembly that contained only one lever-tumbler. Those locks didn’t use key numbers, and they all used the same key. Generally, those were not used on machinist chests. Little is known about those keys.