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 5950-00-234-4406
NSN 6145-01-140-1538
NSN 6685-01-613-0783
NSN 4140-01-440-6730
NSN 5925-01-601-8675
NSN 5895-01-179-9693
NSN 2925-01-350-8372
NSN 6645-01-286-9115
NSN 6650-01-012-3290
NSN 5930-01-487-3803
NSN 5960-01-453-6170
NSN 5999-01-472-9092