An item designed to fit over the opening of an engine exhaust pipe or muffler to prevent the entrance of rain or foreign matter into the manifold section of a reciprocating engine while not in use. It is automatically opened when the engine is started by pressure exerted from the exhaust system. It is equipped with a hinging action and may or may not have a counter weight. Excludes cap, protective, dust and moisture seal.
Classification: Parts of engines and motors, nesoi
NSN 5920-00-969-0462
NSN 5905-00-598-3700
NSN 5965-00-230-8818
NSN 6240-00-538-0920
NSN 5920-01-277-6335
NSN 5945-01-552-0874
NSN 7035-00-349-8571
NSN 6620-01-179-2657
NSN 5960-00-900-3508
NSN 5999-01-512-8287
NSN 5855-00-198-3197
NSN 5996-00-913-2633