go gage

go gage

[′gō ‚gāj]
(design engineering)
A test device that just fits a part if it has the proper dimensions (often used in pairs with a “no go” gage to establish maximum and minimum dimensions).
References in periodicals archive ?
In an undersize threaded hole--one in which the go gage will not enter--the opposite is true: the problem isn't that the peripheral size of the threaded hole is too small; rather, the tooth space has been "mashed" and is too narrow.
Screwing the go gage, with its fairly long length of engagement, into and out of the part is a time-consuming process.
Tapping undersized is indicated by go gages that won't enter or that bind-up partway into the hole.