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milspec wire chart?

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Ceengland

Joined: 11 Oct 2020
Posts: 391
Location: MS

Posted: Tue Mar 09, 2021 9:08 am Post subject: milspec wire chart?

I troll ebay periodically looking for deals on various 'stuff' to keep on hand. One of the harder calls is milspec wire. I'm aware that the most common designator for what we'd normally use is M22759. But I've discovered that the number after the ' / ' can make a significant difference in what we're actually getting. It seems that it can spec not only the insulation type (PTFE, ETFE, and other stuff), but type of copper, plating on the copper (tin, silver, nickel, etc), and apparently other stuff, as well. ' /16 ' seems to be tin plated copper with ETFE insulation. But there are others that would be useful to us (or not), if we knew the entire list of variants. For instance, I don't want any nickel plated stuff because I sometimes solder, and apparently the nickel plated stuff is intended only for crimping.



M22759/X-Y-Z

I know that Y is gauge. Z is color, but I don't have the reference list. And X is the biggie variable, to know what we're getting.

  Can anyone share a quick reference chart that breaks out each section of the spec, and shows all the numbers/letters with their meanings? 

Thanks,

Charlie

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Charlie

kjashton(at)vnet.net
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Posted: Tue Mar 09, 2021 10:58 am Post subject: milspec wire chart?

See below.  There is a seller on ebay called ApexJr who sells PTFE-coated wire in a large variety of colors.  He advertises it as M22759/11 but I asked him about it once and in fact it is probably M16878/4 or similar (see chart).  Anyway, it's practically the same as M22759 PTFE aviation grade wire and it’s handy to be able to buy colors for different circuits.  Seems identical to me except for the colors.

https://www.ebay.com/itm/100-Ft-22-Awg-Stranded-1-2-3-Striped-Mil-Spec-600V-Teflon-Wire-Audio-Tube-Amp/183768643409?epid=577237606&hash=item2ac976f751:g:DHcAAOSwDNdV53fC

-kent



 	  Quote: 	
		   On Mar 9, 2021, at 12:06 PM, Charlie England <ceengland7(at)gmail.com> wrote:

 

 I troll ebay periodically looking for deals on various 'stuff' to keep on hand. One of the harder calls is milspec wire. I'm aware that the most common designator for what we'd normally use is M22759. But I've discovered that the number after the ' / ' can make a significant difference in what we're actually getting. It seems that it can spec not only the insulation type (PTFE, ETFE, and other stuff), but type of copper, plating on the copper (tin, silver, nickel, etc), and apparently other stuff, as well. ' /16 ' seems to be tin plated copper with ETFE insulation. But there are others that would be useful to us (or not), if we knew the entire list of variants. For instance, I don't want any nickel plated stuff because I sometimes solder, and apparently the nickel plated stuff is intended only for crimping.

 

 M22759/X-Y-Z

 I know that Y is gauge. Z is color, but I don't have the reference list. And X is the biggie variable, to know what we're getting.

 

   Can anyone share a quick reference chart that breaks out each section of the spec, and shows all the numbers/letters with their meanings? 

 

 Thanks,

 

 Charlie

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johnbright

Joined: 14 Dec 2011
Posts: 166
Location: Newport News, VA

Posted: Tue Mar 09, 2021 11:23 am Post subject: Re: milspec wire chart?

Hi Charlie,



My collection of wire reference docs is at https://drive.google.com/drive/folders/1heBRkZu24BKki744OgyJzIHZ40E17_C5?usp=sharing

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_________________
John Bright, RV-6A, at FWF, O-360
Z-101 single batt dual alt SDS EM-5-F.
john_s_bright@yahoo.com, Newport News, Va
N1921R links

Ceengland

Joined: 11 Oct 2020
Posts: 391
Location: MS

Posted: Wed Mar 10, 2021 7:03 am Post subject: milspec wire chart?

Hi Kent,

That chart is just what I was looking for. Many thanks! Pretty good prices

on the color coded wire, too.

Charlie

On Wed, Mar 10, 2021 at 4:33 AM Kent or Jackie Ashton <kjashton(at)vnet.net>

wrote:

[quote] See below.  There is a seller on ebay called ApexJr who sells PTFE-coated

 wire in a large variety of colors.  He advertises it as M22759/11 but I

 asked him about it once and in fact it is probably M16878/4 or similar (see

 chart).  Anyway, it's practically the same as M22759 PTFE aviation grade

 wire and it’s handy to be able to buy colors for different circuits.  Seems

 identical to me except for the colors.

 https://www.ebay.com/itm/100-Ft-22-Awg-Stranded-1-2-3-Striped-Mil-Spec-600V-Teflon-Wire-Audio-Tube-Amp/183768643409?epid=577237606&hash=item2ac976f751:g:DHcAAOSwDNdV53fC

 -kent

 <https://www.ebay.com/itm/100-Ft-22-Awg-Stranded-1-2-3-Striped-Mil-Spec-600V-Teflon-Wire-Audio-Tube-Amp/183768643409?epid=577237606&hash=item2ac976f751:g:DHcAAOSwDNdV53fC-kent>

 > On Mar 9, 2021, at 12:06 PM, Charlie England <ceengland7(at)gmail.com>

 wrote:

 >

 > I troll ebay periodically looking for deals on various 'stuff' to keep

 on hand. One of the harder calls is milspec wire. I'm aware that the most

 common designator for what we'd normally use is M22759. But I've discovered

 that the number after the ' / ' can make a significant difference in what

 we're actually getting. It seems that it can spec not only the insulation

 type (PTFE, ETFE, and other stuff), but type of copper, plating on the

 copper (tin, silver, nickel, etc), and apparently other stuff, as well. '

 /16 ' seems to be tin plated copper with ETFE insulation. But there are

 others that would be useful to us (or not), if we knew the entire list of

 variants. For instance, I don't want any nickel plated stuff because I

 sometimes solder, and apparently the nickel plated stuff is intended only

 for crimping.

 >

 > M22759/X-Y-Z

 > I know that Y is gauge. Z is color, but I don't have the reference list

- The Matronics AeroElectric-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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_________________
Charlie

chaskuss(at)yahoo.com
Guest

Posted: Wed Mar 10, 2021 8:27 am Post subject: milspec wire chart?

Charlie,

 FYI, 22759/11 is Teflon coated wire, NOT Tefzel [22759/16] coated. They are different. I have lots of the 22759/11 in colors for my 8A. Tefzel is rather stiff and very resistant to abrasion. Teflon is soft, has an even higher temperature rating, BUT you must be very careful when bundling it. You need to avoid any tight bundling, wrapping or security fixtures. That is because Teflon insulation can extrude. That will cause the insulation to move away from the tight area, which could cause a short circuit. It's very handy for use behind the instrument panel, as it bends much easier than Tefzel. It's also recommended for areas under the cowl that are exposed to high heat. Note the higher heat rating of /4 & /11 compared to /16.



https://www.rdswire.com/uploads/Datasheets/SAE-AS22759-16%20Formerly%20MIL-W-22759-16.pdf



https://www.rdswire.com/uploads/Datasheets/SAE-AS22759-11%20Formerly%20MIL-W-22759-11.pdf



https://www.rdswire.com/mil-w-22759-4



If you don't already have it, download and read "the bible", aka FAA AC 43-13-1B with Change 1



https://www.faa.gov/documentLibrary/media/Advisory_Circular/AC_43.13-1B_w-chg1.pdf



This is a big document. Chapter 11 deals with the electrical system.



Charlie K

            

                                                                                        On Wednesday, March 10, 2021, 10:24:01 AM EST, Charlie England <ceengland7(at)gmail.com> wrote:                

                



                



                Hi Kent,



That chart is just what I was looking for. Many thanks! Pretty good prices on the color coded wire, too.



Charlie



On Wed, Mar 10, 2021 at 4:33 AM Kent or Jackie Ashton <kjashton(at)vnet.net (kjashton(at)vnet.net)> wrote:

 	  Quote: 	
		  See below.  There is a seller on ebay called ApexJr who sells PTFE-coated wire in a large variety of colors.  He advertises it as M22759/11 but I asked him about it once and in fact it is probably M16878/4 or similar (see chart).  Anyway, it's practically the same as M22759 PTFE aviation grade wire and it’s handy to be able to buy colors for different circuits.  Seems identical to me except for the colors.ceengland7(at)gmail.com (ceengland7(at)gmail.com)> wrote:> > I troll ebay periodically looking for deals on various 'stuff' to keep on hand. One of the harder calls is milspec wire. I'm aware that the most common designator for what we'd normally use is M22759. But I've discovered that the number after the ' / ' can make a significant difference in what we're actually getting. It seems that it can spec not only the insulation type (PTFE, ETFE, and other stuff), but type of copper, plating on the copper (tin, silver, nickel, etc), and apparently other stuff, as well. ' /16 ' seems to be tin plated copper with ETFE insulation. But there are others that would be useful to us (or not), if we knew the entire list of variants. For instance, I don't want any nickel plated stuff because I sometimes solder, and apparently the nickel plated stuff is intended only for crimping.> > M22759/X-Y-Z> I know that Y is gauge. Z is color, but I don't have the reference list. And X is the biggie variable, to know what we're getting.> >   Can anyone share a quick reference chart that breaks out each section of the spec, and shows all the numbers/letters with their meanings? > > Thanks,> > Charlie

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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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