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 5835-01-541-9991
NSN 6620-01-224-4985
NSN 2925-00-526-4541
NSN 7035-01-252-5919
NSN 2925-01-440-9912
NSN 5996-00-186-6186
NSN 6645-01-409-2003
NSN 5998-01-420-6855
NSN 6110-01-145-7388
NSN 6685-01-269-5240
NSN 5996-00-904-9820
NSN 6650-01-254-3690