Introduction
: It applies primarily to propulsion shafting, reciprocating machinery (like diesel engines), and related shipboard equipment. Vibration Types Covered
MIL-STD-167-2A is a U.S. Department of Defense standard regulating mechanical vibrations specifically for shipboard propulsion systems and reciprocating machinery. The standard defines acceptance criteria, testing, and measurement methodologies to ensure equipment reliability under operational stress. For direct access to the document, search the ASSIST QuickSearch database. MIL-STD-167-2A CONT. DIST. - NAVY - Standards | GlobalSpec mil-std-167-2a pdf
Naval Sea Systems Command (NAVSEA) drawing library – sometimes linked via procurement contracts.
The standard defines specific vibration types beyond basic environmental factors, including torsional, longitudinal, and lateral vibrations associated with propulsion systems. Acceptance Criteria: Introduction : It applies primarily to propulsion shafting,
The DoD has been moving toward performance-based specifications and the adoption of commercial standards (e.g., IEC 60068-2-6 for vibration) for non-critical applications. However, MIL-STD-167-2A remains firmly in place for shipboard-critical systems. A potential update (167-2B) would likely include:
Deals with the "side-to-side" or whirling motion of the propulsion shafting. Pros: Fast download, OCR text searchable, no login required
MIL-STD-167-2A is a United States military standard specifically covering mechanical vibration requirements for reciprocating machinery and propulsion system shafting on naval ships. While its counterpart, MIL-STD-167-1A, focuses on environmental and internally excited vibrations for general equipment, 167-2A addresses more specialized heavy machinery. Core Features of MIL-STD-167-2A
