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 6645-01-266-8831
NSN 6150-01-083-2740
NSN 5910-01-016-9233
NSN 6145-01-280-9452
NSN 2925-01-380-0869
NSN 5960-01-135-5639
NSN 5990-00-808-2184
NSN 5996-00-116-7498
NSN 5855-01-191-3404
NSN 2925-00-278-9468
NSN 6610-00-516-4228
NSN 6240-01-363-8258