The MIL-STD-167-2A standard is a publicly available document that can be downloaded from a range of sources, including:
https://quicksearch.dla.mil/ → Search MIL-STD-167-2A → Download PDF directly (requires no login for most standards). mil-std-167-2a pdf
MIL-STD-167-2A is a military standard that provides guidelines for the vibration testing of shipboard equipment. Here's a comprehensive review of the standard: The MIL-STD-167-2A standard is a publicly available document
http://everyspec.com → Search "MIL-STD-167-2A" → Direct PDF link. mil-std-167-2a pdf
: Detailed document history and referenced standards can be viewed on GlobalSpec (Engineering360) .
In the demanding environment of a U.S. Navy vessel, the difference between mission success and catastrophic failure often comes down to proper vibration qualification. Make the your first download and your last reference before sign-off.