Well, so far in all my searching the only thing that has come close to the latching push buttons used on the Fluke 9010a keyboard are these SMK J-M0404 SPST switches. I normally don't like sharing ebay links because they quickly become irrelevant,  but this is what I've tried. Lot of 8 SMK - J-M0404 - Pushbutton Switch, Latching Keyboard Tactile, SPST. | eBay <https://www.ebay.com/itm/224392728814?hash=item343ed950ee:g:T9YAAOSwjiNfGfiS> They may be just a little too tall and need the bottom pins modified to the center but they appear to be about the same dimensions.  I haven't tried any modification tricks yet though. Everything else out there is non-latching.  I don't know if there are any that can convert to a latching keyboard switch? Matt On 6/8/2021 1:57 PM, Matthew Rossiter wrote:

Hey Everyone,

Working on getting a couple of Fluke 9010a troubleshooters back in shape.  On one of my keyboards, the 'pulse low <http://games.rossiters.com/manuals/Fluke/Fluke%209010a/Fluke_9010a_Keys.jpg>' key is missing a plastic piece that holds the pin in, which allows the key to stay pressed.

It looks like mechanical keys are *extremely* popular these days with all kinds of interesting variations of tactile, linear and clicky.  All depending on how much click and push you like.  But surprisingly not so much for push-on, push-off style key switches.

Does anyone happen to know a good source for this particular style of switch?  I'm sure I should be able to just rob a part from a junk keyboard (just trying to think of which one).

Matt

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