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 6610-01-171-3010
NSN 5935-00-835-0987
NSN 6320-00-004-9158
NSN 5996-00-788-1218
NSN 6145-00-635-0340
NSN 6150-00-968-7034
NSN 5855-01-245-8689
NSN 5960-01-334-5146
NSN 5905-00-216-6576
NSN 6220-01-556-3998
NSN 4140-01-156-0445
NSN 5998-01-258-4598