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 5935-01-350-0785
NSN 6645-00-409-9363
NSN 5930-00-905-1835
NSN 6150-00-055-7601
NSN 6105-00-789-1571
NSN 6320-00-483-0451
NSN 5920-00-298-0700
NSN 6650-00-137-0283
NSN 5835-01-227-2318
NSN 6135-01-022-5427
NSN 5895-01-654-2539
NSN 5925-01-607-9491