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 5990-00-576-4882
NSN 5895-00-518-1593
NSN 7035-00-533-4464
NSN 5960-00-139-3204
NSN 5975-01-505-6076
NSN 5895-00-981-5571
NSN 5925-01-217-3931
NSN 6220-01-124-5607
NSN 6645-01-367-2581
NSN 6220-01-524-4971
NSN 4140-00-067-9405
NSN 4140-01-085-4965