[bars] PL-259 dimensions?

[William Smith]

Well, I found a workaround:



Now the fitting locks up tight, and the VSWR didn't change (at least thru 230 MHz, which is pretty good for PL259...

#McMasterCarrToTheRescue!

If anyone runs into this problem and wants a few, send me a SASE, I've got a lifetime supply.

🤓

Willie

William P. N. Smith
ComputerSmiths Consulting, Inc.
978-600-1621




> On Oct 5, 2020, at 3:04 PM, Bruce Blain <bruce.blain at charter.net> wrote:
> 
> Also, make sure you don't have solder "blobbed" on the end of the center
> pin.  I've had this problem many times, and trying to screw the connector in
> is like trying to put a square peg in a round hole.  It won't work.
> 
> Bruce, K1BG
> 
> -----Original Message-----
> From: bars [mailto:bars-bounces at w1hh.org] On Behalf Of wo1n
> Sent: Monday, October 05, 2020 2:08 PM
> To: bars at w1hh.org
> Subject: Re: [bars] PL-259 dimensions?
> 
> Hi Willie,
> 
> Wow. That is scary. This is one reason I only buy the Amphenol nickel plated
> brand. 
> 
> But, also, check to make sure the inner conductor on your COAX is not
> extending pass the end of the center barrel. That would tend to hold your
> connector out from being able to seat properly.
> 
> 73,
> 
> Ken - WO1N
> 
> -----Original Message-----
> From: bars <bars-bounces at w1hh.org> On Behalf Of William Smith
> Sent: Saturday, October 3, 2020 4:19 PM
> To: bars at w1hh.org
> Subject: [bars] PL-259 dimensions?
> 
> Hi All,
> 
> I seem to have PL-259 connectors that mate just fine, and others that allow
> the male barrel to screw all the way onto the female threads and bottom out
> without locking the teeth in place to prevent rotation (and fully clamp the
> mating faces together).
> 
> The older (Amphenol) ones I have seem to have a maximum threaded length of a
> little under 0.35 inches, while some of the newer ones bottom out at almost
> 0.40 inches.
> 
> I found this for the Amphenol spec:
> https://www.alliedelec.com/m/d/52da842b5820971500dd79cb57676e78.pdf
> but it doesn't really say how long the threads are, other than the panel
> receptacles, which are 1/2 inch or more....
> 
> Did someone change the spec, or is the usual chinese junk sourced on Amazon
> likely to make up specs and ship them out the door?
> 
> 73,
> 
> Willie
> 
> 
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> 
> 
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> 
> 
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