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 6650-01-255-4046
NSN 2925-01-554-5246
NSN 6145-00-497-1578
NSN 6145-01-471-7901
NSN 5990-01-013-8464
NSN 5895-00-061-7192
NSN 5996-01-508-8171
NSN 6645-01-132-7806
NSN 5930-01-623-4144
NSN 6320-01-144-3810
NSN 6620-00-900-3986
NSN 6220-00-475-0217