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 6685-01-220-3308
NSN 5925-01-084-0777
NSN 4140-01-172-3182
NSN 6685-00-139-8425
NSN 5975-01-649-9743
NSN 5985-01-381-2520
NSN 5835-00-275-0584
NSN 5835-01-561-2959
NSN 5996-01-095-8868
NSN 5920-01-468-8452
NSN 6240-00-527-8614
NSN 5945-01-535-0951