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 5945-01-057-8074
NSN 5935-01-237-9082
NSN 5965-01-052-3765
NSN 6240-00-925-2148
NSN 5999-01-137-8233
NSN 5985-00-445-3934
NSN 7035-01-332-9582
NSN 6620-00-928-6053
NSN 4140-00-597-5260
NSN 6220-00-308-6330
NSN 5855-00-494-9581
NSN 6645-01-304-0889