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:
Identifying near-, mid-and far-term capability and capacity gaps and providing quantitative and qualitative measures to support value-based trades between disparate components of overall Navy programs. b. Fully accounting for platform, system and family of system wholeness across PESTOF in the near-, mid-and far-term.