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 5975-01-643-6414
NSN 5925-01-529-5043
NSN 6240-01-542-3823
NSN 5998-01-224-1243
NSN 5925-00-534-6217
NSN 6145-01-266-7885
NSN 6320-01-246-4390
NSN 5910-00-892-3187
NSN 5945-01-282-8070
NSN 6110-01-556-3143
NSN 5915-00-303-4168
NSN 5950-01-089-0732