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 6320-01-370-4218
NSN 6685-01-390-9423
NSN 5925-00-216-4480
NSN 5915-01-391-0136
NSN 5935-01-577-3129
NSN 6685-01-643-4807
NSN 5930-01-216-6184
NSN 5990-01-254-3197
NSN 5935-00-176-2581
NSN 6135-01-351-1131
NSN 5996-00-038-8276
NSN 5855-01-325-9507