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 6135-01-322-4655
NSN 6685-01-522-6828
NSN 6135-01-423-7502
NSN 4140-01-298-3696
NSN 5835-01-578-3443
NSN 5925-00-481-8177
NSN 6150-01-372-6946
NSN 6645-01-147-5579
NSN 5975-00-988-5815
NSN 6620-00-997-6791
NSN 6240-01-435-1387
NSN 6645-00-697-5694