Product Details | EXHAUST MUFFLER

2990-00-423-9109 00020215600030Airframe Structural Components29900045Miscellaneous Engine Accessories, Nonaircraft

Part Alternates: 3B6238, 2990-00-423-9109, 00-423-9109, 2990004239109, 004239109

Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 01 JAN 1963 00-423-9109

Cross Reference | NSN 2990-00-423-9109

Part Number Cage Code Manufacturer
3B6238 11083 CATERPILLAR INC. DBA CATERPILLAR

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Technical Data | NSN 2990-00-423-9109

Characteristic Specifications
MATERIAL STEEL
SURFACE TREATMENT ALUMINUM COATED
DESIGN TYPE DRY
COOLANT TYPE AIR
MUFFLER DESIGN STRAIGHT THROUGH
TUBE QUANTITY 1
BODY SHAPE ROUND
OVERALL LENGTH 10.875 INCHES NOMINAL
OVERALL DIAMETER 8.500 INCHES NOMINAL
OPERATING POSITION VERTICAL
INLET CONNECTION TYPE UNTHREADED
INLET LOCATION CENTRALLY IN END SECTION OF BODY
INLET PROJECTION LENGTH 1.875 INCHES NOMINAL
INLET OUTSIDE DIAMETER 2.656 INCHES MINIMUM 1ST CONNECTION 2.688 INCHES MAXIMUM 1ST CONNECTION
INLET INSIDE DIAMETER 2.531 INCHES MINIMUM 1ST CONNECTION 2.562 INCHES MAXIMUM 1ST CONNECTION
OUTLET CONNECTION TYPE UNTHREADED
OUTLET LOCATION CENTRALLY IN END SECTION OF BODY
OUTLET PROJECTION LENGTH 19.938 INCHES MINIMUM 1ST CONNECTION 20.062 INCHES MAXIMUM 1ST CONNECTION
OUTLET OUTSIDE DIAMETER 2.641 INCHES MINIMUM 1ST CONNECTION 2.656 INCHES MAXIMUM 1ST CONNECTION
OUTLET INSIDE DIAMETER 2.516 INCHES MINIMUM 1ST CONNECTION 2.531 INCHES MAXIMUM 1ST CONNECTION
III FSC APPLICATION DATA EXHAUST GROUP,DIESEL ENGINE
MANUFACTURERS CODE 11083
DESIGN CONTROL REFERENCE 3B6238

Restrictions/Controls & Freight Information | NSN 2990-00-423-9109

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 000000 NO NMFC FREIGHT DESCRIPTION
Less than car load rating M 85
Less than truck load rating Z No Rating
Water commodity Code 593 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable