Manufactures name: 4" rain cap
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 6620-01-442-7951
NSN 6220-00-171-8638
NSN 5996-01-592-4339
NSN 6135-01-483-5269
NSN 6610-01-400-3880
NSN 5930-00-007-4228
NSN 5996-00-630-1883
NSN 5999-00-058-5475
NSN 5960-01-227-5245
NSN 4140-00-950-0618
NSN 6105-00-205-0655
NSN 6110-01-234-4564