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 5930-01-418-0835
NSN 6620-00-420-1061
NSN 5925-00-529-3950
NSN 6320-01-216-1678
NSN 5990-01-612-5323
NSN 6610-01-225-7242
NSN 5998-00-088-8479
NSN 5905-01-562-4006
NSN 7035-01-376-3843
NSN 6610-01-541-7422
NSN 6135-01-230-4399
NSN 6135-00-057-2005