Product Details | EXHAUST MUFFLER

2990-00-984-4973 00020215600030Airframe Structural Components29900045Miscellaneous Engine Accessories, Nonaircraft

Part Alternates: ABT8912, T8912, T-8912, 404967, 8912, 121054, 2990-00-984-4973, 00-984-4973, 2990009844973, 009844973

Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 21 OCT 1966 00-984-4973

Cross Reference | NSN 2990-00-984-4973

Part Number Cage Code Manufacturer
121054 35311 AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV
404967 00447 WABCO CONSTRUCTION AND MINING EQUIPMENT GROUP INDIANAPOLIS PLANT
8912 76700 CUMMINS FILTRATION INC.
ABT8912 3NNX8 BRIGHTON CROMWELL LLC
ABT8912 52993 AR BEE CORP
T-8912 76700 CUMMINS FILTRATION INC.

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Technical Data | NSN 2990-00-984-4973

Characteristic Specifications
MATERIAL STEEL
SURFACE TREATMENT ALUMINUM
DESIGN TYPE DRY
COOLANT TYPE ANY ACCEPTABLE
MUFFLER DESIGN STRAIGHT THROUGH
BAFFLE QUANTITY 1
TUBE QUANTITY 1
BODY SHAPE ROUND
OVERALL LENGTH 13.125 INCHES NOMINAL
OVERALL DIAMETER 8.500 INCHES NOMINAL
OPERATING POSITION HORIZONTAL
INLET CONNECTION TYPE UNTHREADED
INLET LOCATION CENTRALLY LOCATED IN END SECTION OF BODY
INLET PROJECTION LENGTH 1.906 INCHES NOMINAL
INLET OUTSIDE DIAMETER 3.656 INCHES MINIMUM 3.688 INCHES MAXIMUM
INLET INSIDE DIAMETER 3.531 INCHES MINIMUM 3.563 INCHES MAXIMUM
OUTLET CONNECTION TYPE UNTHREADED
OUTLET LOCATION CENTRALLY LOCATED IN END SECTION OF BODY
OUTLET PROJECTION LENGTH 3.969 INCHES NOMINAL
OUTLET OUTSIDE DIAMETER 3.625 INCHES NOMINAL
OUTLET INSIDE DIAMETER 3.500 INCHES NOMINAL
OUTLET INTEGRAL TAIL PIPE LENGTH 16.313 INCHES MINIMUM 16.688 INCHES MAXIMUM
III FSC APPLICATION DATA ENGINE EXHAUST SYSTEM,NONAIRCRAFT
MANUFACTURERS CODE 76700
DESIGN CONTROL REFERENCE T-8912

Restrictions/Controls & Freight Information | NSN 2990-00-984-4973

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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 125850 MUFFLER/EXHAUST SYS/PIPE/ETC
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 593 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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

Management | NSN 2990-00-984-4973

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9CDefense Supply Center Columbus
Columbus, OH 43215
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each