Dynabrade 95746 3/8" NPT Speed Regulator 
Insize 4131-7D2, AMERICAN STANDARD THREAD PLUG GAGE, 7/16-20UNF, 6928640359002
$96.18
Class 2B.
Standard ANSI/ASME B1.2
Supplied with Go and No-Go gages together
Supplied with manufacturer inspection certificate.
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