[Milsurplus] More ( connector ) brain puzzlers

[WA5CAB at cs.com]

Yes, the 10-pin plus one guide 133's are used with the stand-alone RU's  
like the RU-18/19 and the 11-pin 233's are used with the RU's that are paired 
up with a GF, like the RU-16/17.

Database says that I have three 236's.  It isn't one of the ones that I 
have a bunch of.

When looking over the junction boxes, if you find a butchered 14 volt one, 
don't forget about the guy looking for the relay to restore one.

The A.R.C. 6965 is a large banana pin with 3 contacts and the ferrule on 
the back for use with shielded cable.  Officially, it is for the ATA modulator 
28 VDC supply.  It will physically fit both the BC-456 and the MD-7.

74 is for the right-hand auxiliary power output connector on the RU and 
GF/RU junction boxes.  76, for the left hand connector, is the same except for 
the number.  However, contact numbers are 25/26/27/35/36.  Straight 
backshell with small solder gland like the rest of the GF/RU connectors.

49134 has the same connector insert but has a conpression gland straight 
back shell similar to what is found on the various model LM's.  It should also 
have contact numbers of 25/26/27/35/36.  Used on ZB and AN/ARR-1 for 
receiver to control box.

In my experience, all of the large banana pin bakelite inserts of the same 
diameter and pin count and pattern are the same in both Signal Corps and 
Navy connectors.  And have the same contact numbers.  And the CD-1086 and its 
mating chassis connectors are the only ones that I have noticed where mating 
male and female connectors don't have the same contact numbers.
 
A photograph would help with the one marked 22-4.  Without seeing it, all 
that I can say is probably an AN (later MS and MIL-C 5015) connector.  If it 
is a cable female with straight back shell, then it is an AN3106-22-4 or an 
MS3106A-22-4 and was used as the power input connector for a number of 
aircraft sets such as AN/ARR-5 and AN/ARR-7 (to PP-32/AR) , AN/APR-1 and 
AN/APR-4.  If it is a fine thread male chassis connector, it is AN 3102-22-4 or 
MS3102A-22-4 and it is the input power connector for units like PP-32/AR and 
R--54/APR-4.  Generally the two large contacts carried 28 VDC and the two small 
ones carried 115 VAC at 60 or 400 cps.

Connectors with Navy Type Numbers will generally be used on other sets as 
well.  And some of the ones with two or three digit numbers will fit other 
sets, such as GP, TBW, RBM, etc., although they won't be what is shown on the 
schematics or parts lists.

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480

In a message dated 01/27/2017 13:33:07 PM Central Standard Time, 
Kargo_cult at msn.com writes: 
> Robert, thank you! The PL-106 i hadn’t realized i actually had a definite 
> use for it!
> 
>  The 133 i discovered is same pattern as #233 RU, but with one blank. I 
> think it could be pressed into service for RU, as pin 89, blank in the #133,
> 
>  in the #233 just grounds the RU audio output tube to enable the radio ( 
> versus ICS ).  It looks like i have enough of #233 anyway, for any request.
> 
>   
> 
>  BTW, Robert, i had a request for GF #236, if you have any of those. I 
> have some, but before i individual them out, i want to try to complete as
> 
>  far as possible, some junction boxes, because i found i have a bunch of 
> them, and i want to make those more sellable than naked junction boxes. 
> 
>  
> 
>  Now some more brain puzzlers:
> 
>   
> 
>  Command Sets style,  6965
> 
>  Marked “ 74 “ and CFD-49134  dual V pattern, pins 54-58 with one blank 
> at apex of upper triangle pattern
> 
>  Marked “ 22-4 “  4 pins; 2 fat pins horizontally placed, B and D; 2 
> slender pins vertically placed, A and C           
> 
>  
> 
>  thanks-
> 
>  Hue 
> 
>  
> 
>  
> 
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