IBM model F keyboard (IBM industrial) (83-key XT)

Description

part# (none)
serial# (none)
date 1981 – 1983
IBM logo silver logo with black text
cable attached, black coiled cable, XT 5-pin DIN connector  
key switches VERY clicky = buckling spring
condition Item is intended solely for vintage computer collectors. XT keyboard cannot be easily interfaced or adapted to work with modern ps/2 PC without specialised/custom programmed keyboard controller. 
comments originally used with IBM series of industrial computers.. color is industrial gray/olive drab color.  Looks like a keyboard that should be attached to old 1980’s weapons console to be used with ICBMs or guided artillery against Soviet armored divisions.