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 6645-01-371-1632
NSN 5920-00-584-4592
NSN 6645-01-345-6828
NSN 5999-01-055-8276
NSN 5996-00-148-2772
NSN 5925-00-660-7589
NSN 7035-01-534-4459
NSN 5855-01-634-0259
NSN 6105-01-629-2854
NSN 5996-01-106-2763
NSN 2925-01-064-3729
NSN 6620-00-904-2139