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:
Naval Surface Warfare Center Crane Division is the principal tenant command located at Naval Support Activity Crane.n 1992, Craneâs name was changed to the Crane Division, Naval Surface Warfare Center when the warfare centers were established under the related systems commands. Today grown from its ordnance roots, Crane is recognized world wide as a modern and sophisticated leader in diverse and highly technical product lines.