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 5996-00-305-2827
NSN 6150-01-529-6368
NSN 5998-00-772-9833
NSN 6240-01-202-2492
NSN 5920-01-319-3303
NSN 6645-01-040-0047
NSN 6130-00-170-4844
NSN 5905-00-938-8751
NSN 5999-00-918-2966
NSN 7035-01-326-3875
NSN 5998-01-541-1777
NSN 6135-01-500-0572