Product Details | EXHAUST MUFFLER

2990-00-488-8639 00020215600030Airframe Structural Components29900045Miscellaneous Engine Accessories, Nonaircraft

Part Alternates: 1421D1588, 1421D158-8, 620GS2, 2990-00-488-8639, 00-488-8639, 2990004888639, 004888639

Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 18 MAY 1970 00-488-8639

Cross Reference | NSN 2990-00-488-8639

Part Number Cage Code Manufacturer
1421D158-8 57931 AERO ENERGY SYSTEMS INC
620GS2 91435 DONALDSON CO INC KITTELL DIV

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Technical Data | NSN 2990-00-488-8639

Characteristic Specifications
MATERIAL STEEL
SURFACE TREATMENT ANY ACCEPTABLE
DESIGN TYPE DRY
COOLANT TYPE AIR
MUFFLER DESIGN MULTIPASS
TUBE QUANTITY 2
BODY SHAPE ROUND
OVERALL LENGTH 24.000 INCHES NOMINAL
OVERALL DIAMETER 6.000 INCHES NOMINAL
OPERATING POSITION ANY ACCEPTABLE
INLET CONNECTION TYPE THREADED
INLET LOCATION OFFSET LOCATED ON END OF BODY
INLET PROJECTION LENGTH 2.000 INCHES NOMINAL
INLET THREAD SIZE 2-11-1/2
INLET THREAD SERIES DESIGNATOR NPT
INLET THREAD DIRECTION RIGHT-HAND
INLET THREAD LOCATION EXTERNAL
OUTLET CONNECTION TYPE THREADED
OUTLET LOCATION OFFSET LOCATED ON END OF BODY
OUTLET PROJECTION LENGTH 2.000 INCHES NOMINAL
OUTLET THREAD SIZE 2-11-1/2
OUTLET THREAD SERIES DESIGNATOR NPT
OUTLET THREAD DIRECTION RIGHT-HAND
OUTLET THREAD LOCATION EXTERNAL

Restrictions/Controls & Freight Information | NSN 2990-00-488-8639

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 2990-00-488-8639

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 CodesLLOCAL PURCHASE # (NON-STOCKED ITEMS) Defense Logistics Agency (DLA)/GSA/Service/Agency-managed items authorized for local purchase as normal means of support at base, post, camp or station level. Item not stocked in wholesale distribution system of IMM/Service/Agency ICP.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each