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 5905-01-382-1630
NSN 5950-01-100-5865
NSN 6645-00-321-6071
NSN 5935-01-201-5908
NSN 7035-01-429-7954
NSN 6220-00-498-4937
NSN 6610-00-394-1427
NSN 5895-00-484-8112
NSN 6110-01-162-9677
NSN 5935-01-408-0354
NSN 6620-01-617-3915
NSN 5925-00-133-5365