Product Details | EXHAUST MUFFLER

2990-00-703-1797 00020215600030Airframe Structural Components29900045Miscellaneous Engine Accessories, Nonaircraft

Part Alternates: 0311816 4Q-3060-40S, 03118164Q306040S, 40306040S, 403060-40S, 4A306040S, 4A3060-40S, 50225EX8323328, 50225-EX8323-328, 2990-00-703-1797, 00-703-1797, 2990007031797, 007031797

Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 17 DEC 1965 00-703-1797

Cross Reference | NSN 2990-00-703-1797

Part Number Cage Code Manufacturer
0311816 4Q-3060-40S 99016 ALLIED WITAN CO DBA ALWITCO
403060-40S 99016 ALLIED WITAN CO DBA ALWITCO
4A3060-40S 99016 ALLIED WITAN CO DBA ALWITCO
50225-EX8323-328 99016 ALLIED WITAN CO DBA ALWITCO

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Technical Data | NSN 2990-00-703-1797

Characteristic Specifications
MATERIAL ALUMINUM ALLOY
SURFACE TREATMENT ANY ACCEPTABLE
DESIGN TYPE DRY
COOLANT TYPE AIR
MUFFLER DESIGN STRAIGHT THROUGH
TUBE QUANTITY 4
BODY SHAPE RECTANGULAR
OVERALL LENGTH 23.500 INCHES NOMINAL
OVERALL WIDTH 8.000 INCHES NOMINAL
OVERALL HEIGHT 8.000 INCHES NOMINAL
OPERATING POSITION ANY ACCEPTABLE
INLET CONNECTION TYPE THREADED
INLET LOCATION CENTRALLY LOCATED IN END SECTION OF BODY
INLET PROJECTION LENGTH 5.000 INCHES NOMINAL
INLET THREAD SIZE 4-8
INLET THREAD SERIES DESIGNATOR NPT
INLET THREAD DIRECTION RIGHT-HAND
INLET THREAD LOCATION EXTERNAL
NONCONNECTION OUTLET TYPE AND QUANTITY 69600 PERFORATED
NONCONNECTION OUTLET LOCATION ON SIDES OF BODY
NONCONNECTION OUTLET SIZE 0.062 IN. DIA

Restrictions/Controls & Freight Information | NSN 2990-00-703-1797

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 HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 2990-00-703-1797

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each