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:
Enabling a World-Class Navy Business Enterprise. 1  Navy Enterprise Resource Planning (ERP) is the Department of the Navy (DON) financial system of record, meaning it provides reliable information for Navy leadership to keep our Navy moving forward. Using sophisticated business management software, Navy ERP streamlines the Navyâs business operations, namely financial and supply chain management.