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 5990-01-009-3634
NSN 5930-00-388-0161
NSN 5965-01-539-4841
NSN 5975-00-524-8644
NSN 5905-01-570-3421
NSN 5960-00-485-0601
NSN 5905-01-408-9904
NSN 5935-01-326-6951
NSN 5930-01-246-4796
NSN 5930-01-167-7505
NSN 6620-01-222-8820
NSN 6685-01-398-5906