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 5925-01-378-6857
NSN 6110-00-237-4862
NSN 6220-01-382-7997
NSN 5835-00-764-4388
NSN 5905-01-258-5755
NSN 5895-01-581-3139
NSN 5835-00-841-2650
NSN 5855-00-167-7893
NSN 5998-01-288-0748
NSN 5905-01-128-3494
NSN 5950-01-177-7107
NSN 6130-00-518-1723