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 6135-01-592-4139
NSN 5835-00-813-1724
NSN 5905-01-265-8094
NSN 5975-01-570-0542
NSN 6145-00-609-5330
NSN 5945-01-432-2416
NSN 6620-01-012-2852
NSN 6320-00-731-6134
NSN 5965-00-755-4657
NSN 5855-01-208-1471
NSN 6240-01-365-4529
NSN 5998-01-278-0785