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:
Describe the DoD Life Cycle Management Framework within the Defense Acquisition System. Describe the Elements of the DoD Acquisition Life Cycle Interface within DoD's Principle Decision Support Systems. Describe DoD's Total Life Cycle Systems Management (TLCSM) and Sustainment Policies. Identify Key DoD Service-level Acquisition Organizations in Life Cycle Management.