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 5975-01-428-6478
NSN 5999-00-001-8600
NSN 6110-00-369-8499
NSN 5960-01-443-9681
NSN 5855-01-145-4903
NSN 5920-00-350-9474
NSN 6220-00-565-7001
NSN 7035-01-369-1445
NSN 6150-01-018-3764
NSN 6130-00-148-8784
NSN 5950-01-122-4552
NSN 5950-01-049-2878