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 5998-01-474-8506
NSN 6220-01-442-5159
NSN 6130-00-855-0521
NSN 5835-01-604-7489
NSN 6645-00-105-7010
NSN 7035-01-617-0072
NSN 5895-00-818-8313
NSN 5835-01-454-5267
NSN 6320-01-246-4390
NSN 5965-01-233-2759
NSN 6650-01-605-2302
NSN 6240-00-494-9869