Product Details | EXHAUST MUFFLER

2990-01-037-9172 00020215600030Airframe Structural Components29900045Miscellaneous Engine Accessories, Nonaircraft

Part Alternates: 28269, 31362, 8122A, 8122-A, 2990-01-037-9172, 01-037-9172, 2990010379172, 010379172

Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 26 MAR 1977 01-037-9172

Demand History | NSN 2990-01-037-9172

Part Number Request Date QTY Origin
31362 2014-01-03 1 US

Cross Reference | NSN 2990-01-037-9172

Part Number Cage Code Manufacturer
28269 28593 GENERAL EQUIPMENT CO
28269 35211 LAUSON DIVISION OF TECUMSEH PRODUCTS CO
28269 59431 TECUMSEH PRODUCTS CO
31362 35211 LAUSON DIVISION OF TECUMSEH PRODUCTS CO
31362 59431 TECUMSEH PRODUCTS CO
8122-A 35211 LAUSON DIVISION OF TECUMSEH PRODUCTS CO

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Technical Data | NSN 2990-01-037-9172

Characteristic Specifications
MATERIAL STEEL
SURFACE TREATMENT ANY ACCEPTABLE
DESIGN TYPE DRY
COOLANT TYPE AIR
MUFFLER DESIGN BAFFLE
BAFFLE QUANTITY 1
BODY SHAPE RECTANGULAR
OVERALL LENGTH 2.250 INCHES NOMINAL
OVERALL WIDTH 3.250 INCHES NOMINAL
OVERALL HEIGHT 5.000 INCHES NOMINAL
OPERATING POSITION VERTICAL
INLET CONNECTION TYPE FLANGE
INLET LOCATION LOCATED ON BACK SIDE OF BODY
INLET PROJECTION LENGTH 0.094 INCHES NOMINAL
INLET FLANGE SHAPE OVAL
INLET FLANGE MOUNTING PROVISION AND QUANTITY 2 HOLES
INLET FLANGE MOUNTING HOLE DIAMETER 0.312 INCHES NOMINAL
INLET FLANGE MOUNTING PROVISION SPACING 1.500 C TO C DIM. OF MTG HOLES
NONCONNECTION OUTLET TYPE AND QUANTITY 23 PERFORATED
NONCONNECTION OUTLET LOCATION IN FRONT OF BODY
NONCONNECTION OUTLET SIZE 0.469 IN. DIA

Restrictions/Controls & Freight Information | NSN 2990-01-037-9172

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 2990-01-037-9172

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 CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each