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 6130-00-753-7732
NSN 2925-00-749-8893
NSN 6685-01-534-5604
NSN 5975-01-485-2385
NSN 6610-00-446-9269
NSN 5925-00-561-7329
NSN 4140-01-249-1388
NSN 6645-01-514-0236
NSN 6135-01-398-5922
NSN 6220-01-454-0815
NSN 5895-01-517-0480
NSN 5930-01-329-9375