[GreenKeys] ASR-33 mounting screws

[Jim Haynes]

On Sun, 16 May 2010, Randy and Sherry Guttery wrote:
> common pitches - but then they also "discourage" the use of #12 screws
> of any pitch - which is of course of consequence to us - as #12 is
> fairly common in older (military surplus, etc.) gear. I've had a couple
> of six-footer relay racks - in which all of the threaded holes on the
> equipment mounting rails were #12-32 screws - a double whammy in
> standards terms - as being both the "discouraged" #12 AND a NS (National
> Special) thread...
>
That's unfortunate.  12-24 is the standard screw thread for telephone
equipment relay racks.  I had no trouble getting a bunch of them from
the local bolt and screw company a few years ago, and also from a
manufacturer of the racks.  Was even able to get stainless steel from
a marine supply company (West Marine).