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 5920-01-634-0250
NSN 6645-01-608-1134
NSN 5950-00-133-8953
NSN 5965-01-555-6976
NSN 6240-01-200-6864
NSN 6110-01-268-4737
NSN 7035-00-442-1869
NSN 5855-00-821-7512
NSN 2925-01-032-3814
NSN 6610-01-057-3408
NSN 6130-00-861-2589
NSN 5990-00-925-3925