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 6610-01-169-6134
NSN 5999-00-007-4423
NSN 6320-01-569-2672
NSN 6610-01-503-0153
NSN 5950-00-665-2793
NSN 5960-00-016-0372
NSN 5990-01-124-9063
NSN 6240-01-653-0265
NSN 5999-01-343-2921
NSN 6610-01-645-0331
NSN 7035-00-096-9986
NSN 5925-01-038-7029