NSN 2990-00-448-3631

Part Details | MUFFLER-EXHAUST PIPE PROTECTIVE CAP ASSEMBLY

2990-00-448-3631 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.

Alternate Parts: 3R7698, 704204, 70-4204, SIZE20, 11021, 043060690, 04306-0690, 91251026, 9125-1026, FB5019, 870616, 870-616, 2870616, 11021, 2990-00-448-3631, 00-448-3631, 2990004483631, 004483631

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
29JAN 04, 197100-448-363161446 ( CAP ASSEMBLY, PROTECTIVE, MUFFLER-EXHAUST PIPE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 2990-00-448-3631
Part Number Cage Code Manufacturer
3R769811083CATERPILLAR INC.DBA CATERPILLAR
70-420430554DEPARTMENT OF DEFENSE PROJECTMANAGER-MOBILE ELECTRIC POWER
SIZE2081859GLEASON CORPANTHES DIV
1102181859GLEASON CORPANTHES DIV
04306-069093568HARSCO CORPBMY-COMBAT SYSTEMS DIV
9125-102637562MACLEOD INC
FB501917284MERCURY PRODUCTS CORP.
870-61617284MERCURY PRODUCTS CORP.
287061617284MERCURY PRODUCTS CORP.
1102136391WOOD JOHN CO LTD
Technical Data | NSN 2990-00-448-3631
Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING
PIPE OUTSIDE DIAMETER ACCOMMODATED6.620 INCHES