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 5905-01-499-7818
NSN 5895-01-255-4548
NSN 5905-01-132-0264
NSN 7035-01-297-5877
NSN 4140-01-150-9209
NSN 6145-01-264-4539
NSN 5925-00-804-5814
NSN 6685-01-578-7668
NSN 5920-00-710-2781
NSN 5998-01-507-0419
NSN 5999-01-258-6787
NSN 2925-01-121-3355