Product Details | EXHAUST MUFFLER

2990-00-470-7391 00020215600030Airframe Structural Components29900045Miscellaneous Engine Accessories, Nonaircraft

Part Alternates: ABT3700, T3700, T-3700, 3700, 2990-00-470-7391, 00-470-7391, 2990004707391, 004707391

Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 30 JAN 1970 00-470-7391

Cross Reference | NSN 2990-00-470-7391

Part Number Cage Code Manufacturer
3700 76700 CUMMINS FILTRATION INC.
ABT3700 09128 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
T-3700 76700 CUMMINS FILTRATION INC.

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Technical Data | NSN 2990-00-470-7391

Characteristic Specifications
MATERIAL STEEL
SURFACE TREATMENT ALUMINUM
DESIGN TYPE DRY
COOLANT TYPE AIR
MUFFLER DESIGN BAFFLE
BAFFLE QUANTITY 2
TUBE QUANTITY 2
BODY SHAPE ROUND
OVERALL LENGTH 10.500 INCHES NOMINAL
OVERALL DIAMETER 8.500 INCHES NOMINAL
OPERATING POSITION HORIZONTAL
INLET CONNECTION TYPE UNTHREADED
INLET LOCATION LOCATED 1.563 IN. C TO C FROM HORIZONTAL CENTER LINE
INLET PROJECTION LENGTH 2.750 INCHES NOMINAL
INLET OUTSIDE DIAMETER 3.125 INCHES MINIMUM 1ST CONNECTION 3.145 INCHES MAXIMUM 1ST CONNECTION
INLET INSIDE DIAMETER 3.005 INCHES MINIMUM 1ST CONNECTION 3.025 INCHES MAXIMUM 1ST CONNECTION
OUTLET CONNECTION TYPE UNTHREADED
OUTLET LOCATION LOCATED 1.563 IN. C TO C FROM HORIZONTAL CENTER LINE
OUTLET PROJECTION LENGTH 5.000 INCHES NOMINAL
OUTLET OUTSIDE DIAMETER 3.125 INCHES NOMINAL
OUTLET INSIDE DIAMETER 3.005 INCHES NOMINAL
MANUFACTURERS CODE 76700
DESIGN CONTROL REFERENCE T-3700

Restrictions/Controls & Freight Information | NSN 2990-00-470-7391

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 2990-00-470-7391

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