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Federal Supply Class
A complete external unthreaded gage used for the size control of male pipe taper threads. Consists of three plain taper rolls mounted on a base and so spaced as to indicate thread limits on an indicating depth rod.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
MAXIMUM THREAD SIZE FOR WHICH DESIGNED
1-1/2-11-1/2 ANPT BASIC MIN,MAX