Such equipment is less expensive than items built to military specifications, which were deemed necessary during the cold war.
The military specifications did not permit more than two wheels per axle.
KL-51 is a very robust machine made to military specifications.
In other cases, costs are inflated by adherence to "military specifications" when commercial standards for common items of equipment would be sufficient.
Such electronics as we will find here are sometimes delicate, but I assume they were produced according to military specifications.
Each product is built in accordance with military specifications at Compunetix in-house facilities.
You have thousands and thousands of people over there writing military specifications.
Archive.org leads to Thales group products page that shows some military specifications.
It was developed and tested to current military specifications.
These engines were basically military specification with some minor changes to suit the different operating environment.