Linear vibrations occurring along the axis of the propulsion system and shafting.
Vibrations caused by reciprocating machinery and propulsion systems. mil-std-167-2a pdf
MIL-STD-167-2A: Mechanical Vibrations of Shipboard Equipment Linear vibrations occurring along the axis of the
Side-to-side vibrations affecting the propulsion shafting and associated machinery. Testing and Acceptance Criteria mil-std-167-2a pdf
The primary objective of MIL-STD-167-2A is to ensure that critical naval propulsion systems and reciprocating machinery can withstand the harsh dynamic environments encountered at sea. By establishing uniform requirements, the standard aids in procurement consistency and prevents premature equipment failure that could compromise mission safety.
Verification that equipment functions without degradation under specified amplitudes.
Requirements for minimizing internally induced vibration from rotating components. Summary Table: MIL-STD-167-1 vs. MIL-STD-167-2