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 6130-01-490-2678
NSN 6620-01-359-0476
NSN 5925-00-840-9071
NSN 5985-01-111-7769
NSN 6135-01-216-9771
NSN 6135-00-461-3590
NSN 6130-01-143-5952
NSN 4140-01-344-2179
NSN 6220-01-355-4168
NSN 5905-00-469-8855
NSN 6220-00-272-7497
NSN 5915-00-027-7665