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 6320-00-521-9350
NSN 6145-01-544-8461
NSN 4140-00-179-3977
NSN 6220-00-452-5308
NSN 5915-01-376-3188
NSN 5996-01-204-4450
NSN 5990-01-284-3187
NSN 5975-00-622-3340
NSN 6620-01-243-5281
NSN 5925-00-553-2274
NSN 6105-01-308-3948
NSN 4140-00-849-0403