Product Details | EXHAUST MUFFLER

2990-00-427-6904 00020215600030Airframe Structural Components29900045Miscellaneous Engine Accessories, Nonaircraft

Part Alternates: MJM080047, MJM08-0047, 4N7870, 4N8941, 8S5034, 1123249, 112-3249, 2990-00-427-6904, 00-427-6904, 2990004276904, 004276904

Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 19 APR 1971 00-427-6904

Demand History | NSN 2990-00-427-6904

Part Number Request Date QTY Origin
112-3249 2020-01-09 17 DIBBS
4N8941 2020-01-09 17 DIBBS
2990-00-427-6904 2014-03-78 30 DIBBS

Cross Reference | NSN 2990-00-427-6904

Part Number Cage Code Manufacturer
112-3249 11083 CATERPILLAR INC. DBA CATERPILLAR
4N7870 11083 CATERPILLAR INC. DBA CATERPILLAR
4N8941 11083 CATERPILLAR INC. DBA CATERPILLAR
8S5034 02067 PETERSON TRACTOR CO.
8S5034 11083 CATERPILLAR INC. DBA CATERPILLAR
8S5034 25496 HOLT BROS
MJM08-0047 18265 DONALDSON COMPANY, INC. DBA TORIT PRODUCTS

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Technical Data | NSN 2990-00-427-6904

Characteristic Specifications
MATERIAL STEEL
SURFACE TREATMENT ANY ACCEPTABLE
DESIGN TYPE DRY
COOLANT TYPE AIR
MUFFLER DESIGN ANY ACCEPTABLE
BODY SHAPE OVAL
OVERALL LENGTH 27.250 INCHES NOMINAL
OVERALL WIDTH 10.250 INCHES NOMINAL
OVERALL HEIGHT 6.375 INCHES NOMINAL
OPERATING POSITION ANY ACCEPTABLE
INLET CONNECTION TYPE UNTHREADED
INLET LOCATION LOCATED ON HORIZONTAL CENTERLINE OF BODY
INLET PROJECTION LENGTH 2.125 INCHES NOMINAL
INLET OUTSIDE DIAMETER 4.125 INCHES NOMINAL
INLET INSIDE DIAMETER 4.000 INCHES NOMINAL
OUTLET CONNECTION TYPE UNTHREADED
OUTLET LOCATION NONCENTRALLY LOCATED IN END SECTION OF BODY
OUTLET PROJECTION LENGTH 6.125 INCHES NOMINAL
OUTLET OUTSIDE DIAMETER 4.125 INCHES NOMINAL
OUTLET INSIDE DIAMETER 4.000 INCHES NOMINAL
SPECIAL FEATURES WITH MTG STUDS

Restrictions/Controls & Freight Information | NSN 2990-00-427-6904

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 2990-00-427-6904

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesHDIRECT DELIVERY UNDER A CENTRAL CONTRACT # (VENDOR STOCKED) Issue, transfer or shipment is not subject to specialized controls other than those imposed by IMM/Service/Agency supply policy. 1. The item is centrally managed and procured. 2. Normal issue is by direct shipment from the vendor to the user at the order of the ICP or IMM. However, orders may be shipped from stock by ICP or IMM distribution facilities when the vendor's minimum order quantity is not met, or when stocks are being drawn down. 3. Requisitions and fund citations will be submitted in accordance with IMM/Service/Agency Requisitioning Procedures. 4. Generally delivery will be made within applicable Service/Agency guidelines addressing customer required timeframe.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSUSU:AF SICA RESIDUAL MMAC-OO-ALC
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesHDIRECT DELIVERY UNDER A CENTRAL CONTRACT # (VENDOR STOCKED) Issue, transfer or shipment is not subject to specialized controls other than those imposed by IMM/Service/Agency supply policy. 1. The item is centrally managed and procured. 2. Normal issue is by direct shipment from the vendor to the user at the order of the ICP or IMM. However, orders may be shipped from stock by ICP or IMM distribution facilities when the vendor's minimum order quantity is not met, or when stocks are being drawn down. 3. Requisitions and fund citations will be submitted in accordance with IMM/Service/Agency Requisitioning Procedures. 4. Generally delivery will be made within applicable Service/Agency guidelines addressing customer required timeframe.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code2Non-Critical Repair Part. Repair parts or major components whose failure in an end item will not render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency, and which do not fit the definition of Code 3 or 4 items.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice CodesHDIRECT DELIVERY UNDER A CENTRAL CONTRACT # (VENDOR STOCKED) Issue, transfer or shipment is not subject to specialized controls other than those imposed by IMM/Service/Agency supply policy. 1. The item is centrally managed and procured. 2. Normal issue is by direct shipment from the vendor to the user at the order of the ICP or IMM. However, orders may be shipped from stock by ICP or IMM distribution facilities when the vendor's minimum order quantity is not met, or when stocks are being drawn down. 3. Requisitions and fund citations will be submitted in accordance with IMM/Service/Agency Requisitioning Procedures. 4. Generally delivery will be made within applicable Service/Agency guidelines addressing customer required timeframe.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
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 CodesHDIRECT DELIVERY UNDER A CENTRAL CONTRACT # (VENDOR STOCKED) Issue, transfer or shipment is not subject to specialized controls other than those imposed by IMM/Service/Agency supply policy. 1. The item is centrally managed and procured. 2. Normal issue is by direct shipment from the vendor to the user at the order of the ICP or IMM. However, orders may be shipped from stock by ICP or IMM distribution facilities when the vendor's minimum order quantity is not met, or when stocks are being drawn down. 3. Requisitions and fund citations will be submitted in accordance with IMM/Service/Agency Requisitioning Procedures. 4. Generally delivery will be made within applicable Service/Agency guidelines addressing customer required timeframe.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each