[Racal] RA6790/GM Filters

[L Ritta]

Hello Everyone

Does anyone on the list have 
the following details for
the Filtronetics 455khz 
LSB/ISB crystal filter
the nsn number, the Racal part 
number,
the Filtronetics part number 
and any other relevant details
needed to identify the filter, 
Does anyone have the specs
on this filter,or does anyone 
have defective filter.
Anyone with a picture of the 
above filter?
Please email me off the list.
73 Lee VK5ABC