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 4140-00-609-7645
NSN 6650-01-448-0647
NSN 6645-01-408-6568
NSN 6110-00-310-3470
NSN 5905-01-568-8445
NSN 5990-01-067-6015
NSN 6220-01-338-3033
NSN 6685-01-523-1664
NSN 6110-01-448-1191
NSN 5960-00-457-5560
NSN 5855-00-688-9954
NSN 5960-01-442-1770