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Re: Threads for screws on 8656 Siggen


 

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I have never encountered 3.5 mm in anything, and yes I have seen them on Amazon and AliExpress, but never at hardware shops, electronics parts suppliers ( similar to radio shack) or even major parts suppliers. Maybe there is little demand here or I have just been looking in the wrong places. Lets hope it is the 6-32 hardware, which is apparently what the manual says, but I misinterpreted as 5/32.

This has been a learning experience for me with regards to imperial sizes as well as metric.

On my laptop screen, I read this as 5/32. At the time my eyesight was still severely impacted from a 3rd nerve palsy and nothing was over clear. On a 27 inch monitor, blown up much clearer, plus this is from a more legible copy of the service manual.

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Anyway thanks to all who have replied, I know have the information I need to hopefully complete this piece if test equipment . I was amazed? at how accurate the output levels and frequencies? were, when first powered dup after 20 years, as measured on my recently Acquired CMU200. Level within 0.5 dB, and that can be accounted for with cable losses, and the frequency, as close as I could measure, was spot on. Fantastic bit of gear

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Wayne Eckert BEng

Observing Operations Hub Sydney

M:0409986684

T: 02 92961668

Unit 9 ?111 Moore Street

Leichhardt NSW 2040

wayne.eckert@... |

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UNOFFICIAL

From: [email protected] <[email protected]> On Behalf Of Mark Moulding
Sent: Thursday, 20 March 2025 5:20 AM
To: [email protected]
Subject: Re: [HP-Agilent-Keysight-equipment] Threads for screws on 8656 Siggen

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In my own shop, I am, kicking and screaming, "inching" towards the metric system.? I have a rather complete and well-organized set of little drawers for my SAE hardware, but the metric stuff heretofore has been in a couple of drawers marked only with the diameter; all lengths, plus nuts, washers, etc. have been jumbled together.? (Better than in my lab, where there's just a drawer labeled "metric".)? So I'm doing one of my obsessive-compulsive sorting and labeling projects to create a new cabinet specifically for all the metric stuff.

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The point of all this is that, in the US anyway, M3.5 isn't all that rare.? It's definitely less common than the integer sizes, but in my jumbled lot, captured from taking things apart and various small purchases, there is still quite a bit of M3.5 stuff.? I'm surprised that it would be so hard to source in an ostensibly metric country.? There's certainly plenty of M3.5 hardware to be found on Amazon.

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Mark

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