[Milsurplus] Question about SCR and AN nomenclature

William Donzelli aw288 at osfn.org
Mon Apr 10 13:42:22 EDT 2006


> Is my assessment about the SCR and AN/XXX being basically a top level packing
> list correct?

More or less. Exceptions abound.
 
> It appears that the AN/XXX replaced the SCR sometime in the middle of WW II.
> Approximately when, and was it about the same time as JAN component numbering
> came out?

1942 or so. There is an exact date of the TO.

> Is the continued use of BC designations in AN equipment basically
> grandfathering in the old nomenclature (because renumbering everything
> would have been a big PITA)

Yes. Of course, they renumbered some stuff anyway. JETDS ("AN/XXX") is a
complicated system (kind words!) only red tape soldiers could think up.

William Donzelli
aw288 at osfn.org



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