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 5975-01-249-3506
NSN 6130-00-908-0141
NSN 6650-01-649-6849
NSN 5950-01-050-8445
NSN 6320-01-366-5157
NSN 5925-00-740-6835
NSN 4140-01-176-0482
NSN 6105-01-211-3375
NSN 6145-01-472-2228
NSN 6130-01-400-6123
NSN 5998-00-102-9968
NSN 5999-01-059-4454