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 6150-01-337-0541
NSN 5855-01-447-4097
NSN 5990-01-056-6413
NSN 6645-01-509-3221
NSN 6650-00-067-3572
NSN 5990-01-024-9659
NSN 5990-01-191-1772
NSN 5950-00-929-0549
NSN 5910-00-315-9460
NSN 6685-01-522-5773
NSN 6620-00-492-4936
NSN 5965-01-562-5830