[ARC5] [Milsurplus] 26003A Navy aviation key
Roy Morgan
k1lky68 at gmail.com
Sat Jun 10 20:47:50 EDT 2023
The navy flameproof in use here is marked
CMI-26003A
This *may* be the key I have had since novice times - 1958.
Roy Morgan
K1LKY Western Mass
K1LKY68 at gmail.com
> On Jun 10, 2023, at 2:24 PM, MARK DORNEY via ARC5 <arc5 at mailman.qth.net> wrote:
>
>
>
> <image1.jpeg>
>
> Three of my CW keys. Bottom two - USN “Flameproof” and USAAF “Flamproof”. Top is WW2 Luftwaffe “Flamproof.
>
> Mark D.
> WW2RDO
>
> “In matters of style, float with the current. In matters of Principle, stand like a rock. “. - Thomas Jefferson
>
> Sent from my iPhone
>
>>> On Jun 10, 2023, at 2:03 PM, MARK DORNEY <mkdorney at aol.com> wrote:
>>>
>> Are you talking about the USAAF “fireproof” keys? I have one of each. The USAAF version is dated 1917.
>>
>> Mark D.
>> WW2RDO
>>
>> “In matters of style, float with the current. In matters of Principle, stand like a rock. “. - Thomas Jefferson
>>
>> Sent from my iPhone
>>
>>>> On Jun 10, 2023, at 1:44 PM, Mike Morrow <kk5f at earthlink.net> wrote:
>>>>
>>>
>>> The ME was a 1927 receiver-transmitter built by Westinghouse operating 3 to 4 MHz A1. It pre-dates the 1931 Navy Type Number system, which assigns Class 43 to receiver-transmitters. The earliest Navy Type number CAY-43000 was assigned to the MF-2, 08/19/32.
>>>
>>> I can find no information in SHIPS 242 about ME-1. As expected, there was no navy type number assigned to ME or ME-1.
>>>
>>> I doubt that there was a key with type number assigned to the ME...too early for type numbers. I doubt that the Bendix MT-11B type of key existed in 1927.
>>>
>>> From the NAVSHIPS 900,109 Navy Type Number book of September 1945, the followong information is provided on the four nt-26003* keys:
>>>
>>> CN-26003 GM CN-G-115
>>> KEY-TELEGRAPH
>>> FLAME-PROOF
>>> INSULATED FRAME.
>>> 05/03/33
>>>
>>> -26003A GO RE 26F 111
>>> HAND TELEGRAPH KEY: (NAF #37153)
>>> FLAME PROOF,
>>> INSULATED FRAME.
>>> KNOB OF LAMINATED MATERIAL SPEC. 17-P-5 TYPE-PBM.
>>> 10/11/33
>>>
>>> CME-26003B VA-1 GRE 26J 1154A
>>> KEY, TELEGRAPH
>>> FLAME-PROOF
>>> (SLIGHT IMPROVEMENTS IN COMPONENTS)
>>> 01/06/38
>>>
>>> CME-26003C VA-2 & VB-1 GRE 26J 1156A
>>> KEY, TELEGRAPH
>>> FLAME-PROOF
>>> SAME AS -26003B EXCEPT FOR LARGER TERMINAL TUBE FOR ARMORED CABLE
>>> 10/04/39
>>>
>>> Note that nt-26003 is associated with transmitter GM, and that nt-26003A is associated with transmitter GO.
>>>
>>> nt-26003B is associated with visual signaling equipment VA-1, and that nt-26003C is associated with visual signaling equipment VA-2 and VB-1.
>>>
>>> This key is my favorite military key. I have owned five that were pulled from USN patrol aircraft being scrapped that had AN/ARC-25 (AN/ART-13 with AN/ARR-15A), AN/ARC-38, AN/ARC-38A, or AN/ARC-94 HF radio sets installed. ALL.were nt-26003A keys. At least one had the two-minute key-down caution.
>>>
>>> Mike / KK5F
>>> -----Original Message-----
>>> From: Hubert Miller <kargo_cult at msn.com>
>>> Sent: Jun 9, 2023 5:07 PM
>>> To: arc5 at mailman.qth.net <arc5 at mailman.qth.net>, milsurplus at mailman.qth.net <milsurplus at mailman.qth.net>
>>> Subject: [Milsurplus] 26003A Navy aviation key
>>>
>>>
>>> I assume because of the caution text on the knob skirt, this key was part of a specific radio equipment. Which set was that ? I bought it at SeaPac, thinking it might be a good fit for the ME-1 radio i have. Manual doesn't list the key, but it does say the finals are operating at their dissipation limits.
>>> -Hue Miller
>>>
>>>
>>>
>>>
>>>
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