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 6135-01-244-5580
NSN 5905-01-651-9163
NSN 5930-00-918-8377
NSN 6685-01-375-2092
NSN 5910-00-167-0089
NSN 5945-01-325-1013
NSN 6645-01-316-7456
NSN 5965-00-153-5216
NSN 4140-01-463-7622
NSN 5835-00-327-6192
NSN 5835-01-416-6455
NSN 6620-01-573-1952