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 4140-01-628-1811
NSN 6650-01-312-0778
NSN 5985-01-124-0072
NSN 5945-01-224-7272
NSN 5999-01-270-6906
NSN 5855-00-014-5008
NSN 6610-01-346-2802
NSN 6685-01-592-8477
NSN 6110-00-271-9928
NSN 6145-00-761-2878
NSN 6130-00-596-9565
NSN 5965-01-485-6171