From: J. Forster (jfor@quik.com)
Date: Tue Dec 27 2005 - 14:09:03 PST
They are thread gauges. Very standard inspection gear. They should be marked
something like 0.375 x 24 GO or NO-GO. They may be NC or NF or some special
thread. They are used to check tolerances of a tapped hole. The GO (green)
should go into the hole easily. The NO-GO (Red) should not go into the hole.
-John
Wayne Harris wrote:
> These are marked go,no-go, one on each end and I received almost a full
> 50cal. ammo box with these from a military base (air base I think). I guess
> these are for aircraft but does anyone know for sure or any info would be
> great. TIA Wayne
>
> http://photos.imageevent.com/wharris19/1ebay/whatisit/websize/28dec2005.jpg
>
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