Product Details | EXHAUST MUFFLER

2990-00-277-3634 00020215600030Airframe Structural Components29900045Miscellaneous Engine Accessories, Nonaircraft

Part Alternates: MUW2849108, MUW2-8-4-9108, E1965, MILM15337ATYPEB, MILM15337TYPEB, MNBS, 2990-00-277-3634, 00-277-3634, 2990002773634, 002773634

Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 01 JAN 1963 00-277-3634

Cross Reference | NSN 2990-00-277-3634

Part Number Cage Code Manufacturer
E1965 00765 SEAPORCEL METALS INC
MILM15337ATYPEB 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MILM15337TYPEB 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MNBS 11839 BEAIRD INDUSTRIES INC.
MUW2-8-4-9108 11839 BEAIRD INDUSTRIES INC.

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Technical Data | NSN 2990-00-277-3634

Characteristic Specifications
MATERIAL STEEL
SURFACE TREATMENT PORCELAIN ENAMEL
DESIGN TYPE WET
COOLANT TYPE WATER
MUFFLER DESIGN MULTIPASS
TUBE QUANTITY 3
BODY SHAPE ROUND
OVERALL LENGTH 23.000 INCHES NOMINAL
OVERALL DIAMETER 12.875 INCHES NOMINAL
OPERATING POSITION HORIZONTAL
INLET CONNECTION TYPE FLANGE
INLET LOCATION 3-3/4 IN. C TO C FROM HORIZONTAL CENTER LINE
INLET PROJECTION LENGTH 3.000 INCHES NOMINAL
INLET FLANGE SHAPE ROUND
INLET FLANGE MOUNTING PROVISION AND QUANTITY 8 HOLES
INLET FLANGE MOUNTING HOLE DIAMETER 0.750 INCHES NOMINAL
INLET FLANGE MOUNTING PROVISION SPACING 7-1/2 IN. DIA BOLT CIRCLE
OUTLET CONNECTION TYPE FLANGE
OUTLET LOCATION 4-5/16 IN. C TO C FROM HORIZONTAL CENTER LINE
OUTLET PROJECTION LENGTH 3.000 INCHES NOMINAL
OUTLET FLANGE SHAPE ROUND
OUTLET FLANGE MOUNTING PROVISION AND QUANTITY 8 HOLES
OUTLET FLANGE MOUNTING HOLE DIAMETER 0.750 INCHES NOMINAL
OUTLET FLANGE MOUNTING PROVISION SPACING 7-1/2 IN. DIA BOLT CIRCLE
WATER INLET CONNECTION TYPE FLANGE
WATER INLET LOCATION DIRECTLY ABOVE EXHAUST INLET
WATER INLET PROJECTION LENGTH 0.938 INCHES MINIMUM AND 1.438 INCHES MAXIMUM
WATER INLET FLANGE SHAPE ROUND
WATER INLET FLANGE BOLT HOLE SPACING 6-9/16 IN. DIA BOLT CIRCLE
WATER INLET FLANGE BOLT HOLE QUANTITY 8
WATER INLET FLANGE BOLT HOLE DIAMETER 0.500 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATA B TYPE
DEPARTURE FROM CITED DESIGNATOR ABHP,ADAV,ACQW,ARNJ,ARNK,ARNL,ARN M,ARNN,ARNT,ARTF,ARTH,ARTJ,ARTK,A RTL,ARTM,ARTN,ARTT,ARWC,ARWE,ARWF ,ARWG,ARWH,ARWJ,ARWK,ARWL
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILM15337ATYPEB
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILM15337TYPEB

Restrictions/Controls & Freight Information | NSN 2990-00-277-3634

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:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 125850 MUFFLER/EXHAUST SYS/PIPE/ETC
Less than car load rating M 85
Less than truck load rating W Rating Variable
Water commodity Code 593 unknown
Originating Activity Code XX
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 2990-00-277-3634

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