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[SergentEng] f,& H couplers

James Koretsky
 

The H is basically a tighter tolerance F coupler, without the lower shelf.

----- Original Message -----
From: "martinmatsil1953@... [SergentEng]" <SergentEng@...>
To: SergentEng@...
Sent: Thursday, June 26, 2014 2:58:58 PM
Subject: [SergentEng] f,& H couplers


Hello gang.what is the difference between,f,& h couplers.!They do look alike,but are there real differences.let me know either way.Thanks.