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 6130-01-249-0795
NSN 6645-01-205-3869
NSN 6105-00-248-4711
NSN 6650-01-528-3890
NSN 6105-00-249-5542
NSN 5855-01-030-8601
NSN 2925-01-098-9549
NSN 6240-01-139-3377
NSN 5935-00-984-1601
NSN 5985-00-456-0240
NSN 6620-01-204-3217
NSN 5975-01-443-2398