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 6240-01-604-9172
NSN 5945-01-234-5148
NSN 5920-01-163-9257
NSN 6110-01-501-2359
NSN 6220-00-468-0296
NSN 6145-01-568-0573
NSN 5920-00-658-7219
NSN 5998-01-412-0340
NSN 5985-01-390-2466
NSN 5990-01-175-2597
NSN 5855-01-093-8202
NSN 5960-01-349-8791