The vibration isolation curb shall be air and weather tight using an elastomeric seal, which is attached to the upper support frame with a galvanized steel clip. The seal shall extend down past the wood nailer of the lower support assembly and flash over the roof material at the wood nailer on the lower support curb.
NSMA stands for Navy Systems Management Activity (US DoD) Suggest new definition This definition appears very rarely and is found in the following Acronym Finder categories:
The mission of the Navy is to maintain, train and equip combat-ready Naval forces capable of winning wars, deterring aggression and maintaining freedom of the seas. 1  What you will find here is a series of organizational charts designed to show the chain of command and the relationship of the three principal components of the Navy Department. The site map at the right demonstrates the paths you may follow. You can select the chart you wish to go to by selecting from the map.