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 5925-01-140-7183
NSN 5998-00-232-7923
NSN 6110-00-606-5242
NSN 5895-01-584-7323
NSN 6645-00-435-5610
NSN 5975-01-265-5122
NSN 6620-00-124-8488
NSN 5895-01-528-9590
NSN 6110-01-151-0872
NSN 5965-01-646-7498
NSN 5910-01-230-4644
NSN 6220-01-311-5764