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 5999-01-211-5462
NSN 5985-00-263-7870
NSN 5895-00-280-2811
NSN 6645-00-704-3630
NSN 5925-01-152-1931
NSN 5835-01-094-2662
NSN 5855-01-180-5369
NSN 6150-00-179-9876
NSN 5920-00-013-9967
NSN 5996-01-382-9710
NSN 5996-00-577-0483
NSN 5998-01-176-7298