[Milsurplus] Fwd: TBX-2 question

[Nick England]

The 4 and 4a were made by one manuf, the 5 by another. The Navy changed the
equipment model dash number depending on contract, not necessarily by
equipment differences.

*GE*
NOs-65704 16 Mar 1939 (TBX, TBX-1)
NOs-71808 15 Feb 1940 (TBX, TBX-1)
NOs-81118 22 Jan 1942 (TBX-2)
NXsr-35352 30 Jul 1943 (TBX-6, TBX-7)
*Hazeltine*
NXss-18179 19 Nov 1942 (TBX-4, TBX-4a)
*Garod*
NXss-31870 28 Jun 1943 (TBX-5)
NXsr-38500 22 Apr 1944 (TBX-8)
NXsr-69224 02 Mar 1945 (TBX-8)
NXsr-71254 28 Jul 1944 (TBX-8)

Component type numbers
NT-43005 (TBX, TBX-1, -2, -3)
NT-43005A (TBX-4)
NT-43005D (TBX-4a, -5)
NT-43005C (TBX-6, -7)
NT-43060 (TBX-8)

On Sat, Mar 6, 2021 at 8:35 PM Hubert Miller <Kargo_cult at msn.com> wrote:

> Are you saying this net switch on the -4 is original?
>
> Here's the -4a, which is, I think, same as -5. Why they named it -4a, I
> have no idea.
>
>
> --
Nick England K4NYW
www.navy-radio.com
-- 
Nick England K4NYW
www.navy-radio.com
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