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 4140-00-319-0756
NSN 6645-01-324-8185
NSN 6620-01-084-5112
NSN 5960-00-594-0824
NSN 5910-01-232-0497
NSN 5895-01-551-1550
NSN 6645-01-451-7933
NSN 5985-01-438-1185
NSN 6105-00-738-9415
NSN 6240-00-829-4179
NSN 5999-01-377-1142
NSN 6135-00-444-1402