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 5990-00-170-4239
NSN 6620-01-342-5953
NSN 5895-00-486-0191
NSN 5925-00-466-1189
NSN 6110-00-938-3460
NSN 5950-01-062-0643
NSN 5985-00-168-7992
NSN 5998-01-035-7705
NSN 5855-01-244-9785
NSN 5915-01-156-7003
NSN 6150-01-437-0409
NSN 4140-01-514-8203