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 5920-01-514-0175
NSN 6685-01-067-8474
NSN 6135-01-552-1568
NSN 5965-01-577-1984
NSN 5920-01-326-1399
NSN 5998-01-241-6049
NSN 6320-01-612-7035
NSN 7035-01-146-7096
NSN 6130-01-578-7854
NSN 5975-01-260-5177
NSN 5835-00-733-9145
NSN 6685-01-486-6506