Mil-std-167-2a Pdf -
MIL-STD-167-2A is a revision of the MIL-STD-167 standard, which was first introduced in the 1970s. The standard provides a set of requirements for the design, testing, and evaluation of shipboard equipment, including electrical, electronic, and mechanical systems. The goal of the standard is to ensure that equipment can operate reliably and safely in the harsh marine environment.
This is a sine sweep test. The equipment is vibrated through a frequency range to simulate hull vibration. mil-std-167-2a pdf