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 6220-01-215-2179
NSN 5910-00-465-5610
NSN 5975-00-942-1925
NSN 5950-01-487-3750
NSN 6650-00-267-9815
NSN 5996-01-261-2303
NSN 5905-00-542-5785
NSN 5935-01-171-9814
NSN 6105-01-385-6764
NSN 5975-01-479-8956
NSN 6645-01-358-7485
NSN 5905-01-384-1610