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 5950-01-356-0635
NSN 6685-01-298-9307
NSN 5855-01-474-6456
NSN 5975-00-900-4013
NSN 5996-00-596-7018
NSN 6130-00-090-5030
NSN 7035-01-332-3496
NSN 5990-01-463-5400
NSN 4140-01-434-3013
NSN 5996-00-552-1406
NSN 6620-00-106-9658
NSN 4140-01-419-0198