Johnson Gage 3.527-12 UN-3A Thread Plug Gage Go is a precision internal-thread plug gauge used for go/no-go inspection of components with 3.527-12 UN-3A threads. It verifies thread acceptability by confirming the Go gauge fits into the internal thread features, aiding quality control. The specification includes 3.527-12 UN-3A and PD 3.4692.
