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 5925-00-724-7017
NSN 5965-01-305-2858
NSN 5915-01-423-8561
NSN 5985-00-600-1677
NSN 5835-00-351-9459
NSN 5930-00-067-6568
NSN 5965-01-560-8572
NSN 5975-01-396-3128
NSN 6240-00-811-2777
NSN 5998-00-567-9461
NSN 7035-01-342-7620
NSN 5960-00-658-7209