Product Details | EXHAUST MUFFLER

2990-00-231-6437 00020215600030Airframe Structural Components29900045Miscellaneous Engine Accessories, Nonaircraft

Part Alternates: MFM045047, MFM04-5047, 101328, 2990-00-231-6437, 00-231-6437, 2990002316437, 002316437

Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 19 OCT 1970 00-231-6437

Cross Reference | NSN 2990-00-231-6437

Part Number Cage Code Manufacturer
101328 99832 SCOTT HUBER ESSICK A CO OF FIGGIE INTERNATIONAL INC
MFM04-5047 18265 DONALDSON COMPANY, INC. DBA TORIT PRODUCTS

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Technical Data | NSN 2990-00-231-6437

Characteristic Specifications
MATERIAL STEEL
SURFACE TREATMENT ALUMINUM
DESIGN TYPE DRY
COOLANT TYPE AIR
MUFFLER DESIGN ANY ACCEPTABLE
BODY SHAPE ROUND
OVERALL LENGTH 26.750 INCHES NOMINAL
OVERALL DIAMETER 4.380 INCHES NOMINAL
OPERATING POSITION ANY ACCEPTABLE
INLET CONNECTION TYPE UNTHREADED
INLET LOCATION CENTRALLY LOCATED IN END SECTION OF BODY
INLET PROJECTION LENGTH 2.000 INCHES NOMINAL
INLET OUTSIDE DIAMETER ANY ACCEPTABLE
INLET INSIDE DIAMETER 2.520 INCHES NOMINAL
OUTLET CONNECTION TYPE UNTHREADED
OUTLET LOCATION CENTRALLY LOCATED IN END SECTION OF BODY
OUTLET PROJECTION LENGTH 2.250 INCHES NOMINAL
OUTLET OUTSIDE DIAMETER ANY ACCEPTABLE
OUTLET INSIDE DIAMETER 2.520 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 2990-00-231-6437

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 2990-00-231-6437

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Z
EA : Each