[GreenKeys] More mysteries

[Duncan Brown]

On 27-Jun-20 12:41, John wrote:
>
> As you mention, there's no FSN that begins with 5815, and converting 
> to NSN (add -00 - like "5815-00-XXX-XXXX") gets no hits. "5315" 
> returns nothing as well.
>
"5815" is the Army's standard prefix for teletypewriters. All the TTY 
manuals start out "TM 11-5815-xxx-xx" Looking in TM 11-5915-200-12, it 
is full of FSN 5815 numbers.  So I would say the "FSN 5815 number on the 
unit identifies it as military/government.

good luck,

Duncan
K2OEQ