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 6220-01-608-3613
NSN 4140-01-589-5955
NSN 6240-00-027-9931
NSN 6105-00-196-4957
NSN 5935-01-579-5262
NSN 7035-00-679-9027
NSN 5915-01-033-9269
NSN 7035-00-008-4173
NSN 5935-00-085-1778
NSN 5990-00-339-2084
NSN 6105-01-295-7242
NSN 6130-00-778-2364