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 6620-01-130-5700
NSN 6685-01-025-4966
NSN 5895-01-541-4812
NSN 5950-00-311-3078
NSN 5920-00-455-9743
NSN 7035-01-567-6895
NSN 5945-00-781-1213
NSN 5960-01-412-0619
NSN 5915-00-789-2193
NSN 5935-00-764-9683
NSN 6320-01-205-8399
NSN 6645-01-343-6077