The specifier of ruggedized equipment shall review these
requirements for design features that may be required for the specific
application. Processes shall be as specified herein.
5.1.9.1 Processes, general requirements. Processes
shall be as specified in Table XIII.
5.1.9.2 Protective plating or
coating. A protective plating or coating shall be applied to all metals which
are not corrosion-resistant except for the following:
(a). Items bathed
in lubricants.
(b). Interior surfaces of tube, relay or coil
shields.
(c). Items which are potted, encapsulated or hermetically
sealed.
(d). Where electric grounding through the surface
is required.
5.1.9.3 Welding. Welding shall be in accordance with MIL-STD-454,
requirement 13. Samples representative of production and welded on production
machines shall be tested to destruction to determine conformance to this
requirement. Brittle materials shall not be used for castings or weldments.
All weldments of equipment which is to be mounted on masts shall
satisfactorily pass a non- destructive test using either radiographic or
ultrasonic procedures.