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 6110-01-537-2199
NSN 6610-01-155-8315
NSN 6110-01-641-3555
NSN 6685-01-187-6986
NSN 5895-01-113-9039
NSN 6135-01-400-2947
NSN 6685-00-419-0643
NSN 4140-01-339-9716
NSN 5945-00-430-7969
NSN 5975-00-202-5013
NSN 5855-01-573-8397
NSN 6685-01-089-8141