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 4140-01-041-2636
NSN 5999-01-600-2139
NSN 6145-00-802-2384
NSN 5975-01-522-6507
NSN 6685-00-334-6573
NSN 6145-01-246-3988
NSN 6105-00-178-0094
NSN 6110-01-530-7038
NSN 5985-00-349-3953
NSN 5975-00-075-0466
NSN 5905-01-584-3008
NSN 6645-01-492-9823