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 6620-01-197-7665
NSN 5835-01-632-6627
NSN 5945-00-505-2383
NSN 7035-00-179-3924
NSN 6110-01-020-9150
NSN 5990-00-226-1152
NSN 5996-01-476-2131
NSN 2925-01-068-3844
NSN 6645-01-171-0187
NSN 6320-01-240-4637
NSN 5990-00-333-6210
NSN 2925-00-433-5429