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:
In the United States Navy, a system of naval ratings and designators is used along with the Navy Enlisted Classification (NEC) system. Since an individual can obtain multiple job specialties, a duty military occupational specialty (DMOS) is used to identify what their primary job function is at any given time.