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 4140-01-026-2725
NSN 5985-01-433-2283
NSN 5998-01-068-4449
NSN 5975-00-441-9707
NSN 5965-01-045-0247
NSN 5895-00-783-6388
NSN 6240-00-583-3818
NSN 6105-00-788-9022
NSN 5895-01-439-8107
NSN 6150-01-192-3092
NSN 6645-00-991-8704
NSN 6610-00-701-2600