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 5998-00-494-4022
NSN 5996-01-025-8571
NSN 6685-00-352-8278
NSN 6620-01-443-8431
NSN 5855-01-020-7982
NSN 6645-00-583-0066
NSN 2925-01-274-8576
NSN 5935-01-650-4091
NSN 5910-00-637-2609
NSN 6150-00-628-7234
NSN 5915-01-135-8164
NSN 7035-01-119-6271