Dynabrade 95677 1/4" Male Plug with 1/4" NPT Female Thread 
Insize 2324-04A, WATERPROOF DIAL INDICATOR, 0.4″X.0005″, lug back, 6928640393327
$79.02
Graduation .0005″
Meet ASME B89.1.10M-2001.
IP54 dust/waterproof.
With limit pointers.
Optional accessory: backs, contact points.
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