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<font size="-1"><font face="Courier 10 Pitch">Michael,<br>
<br>
Nothing to add except that the AN7 nyloc nuts I have from Earls
Indy are also 5/8" AF. <br>
<br>
Never noticed this before. Strange.<br>
</font></font>
<pre class="moz-signature" cols="72">Cheers,
Bob Haskell
Austin Healey 3000 BN7/BT7 registrar</pre>
<div class="moz-cite-prefix">On 6/21/21 1:42 PM, Michael Salter via
Healeys wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAB3i7LL0c6REXPLZ1GOoMWuu0djmfq3DtNryDosm2dH=j-bWrw@mail.gmail.com">
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<div dir="auto">In my aircraft engine days installing a used nyloc
nut was regarded as a cardinal sin.
<div dir="auto">I have just used up the last of my OE 7/16" UNF
nyloc big end nuts (AEC328) and have received a box of new
ones from my fastener supplier. </div>
<div dir="auto">What is weird is that these grade 8 nuts are
5/8" AF whereas the originals were 11/16" AF.</div>
<div dir="auto">After making some enquiries it turns out that
grade eight (and for that matter grade five) 7/16" UNF nyloc
nuts are only available as 5/8" AF !!</div>
<div dir="auto">Regular 7/16" UNF nuts are 11/16" AF and 1/2"
UNF nyloc and regular nuts are both 3/4" AF.</div>
<div dir="auto">It seems that this wrench size anomaly is unique
to 7/16" nyloc nuts.</div>
<div dir="auto">Does anyone out there have any idea what this is
all about?</div>
<div dir="auto"><br>
</div>
<div dir="auto">M</div>
<div dir="auto"><br>
</div>
</div>
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