Product Details | EXHAUST-INTAKE MUFFLER

2990-01-258-5544 00020215600030Airframe Structural Components29900045Miscellaneous Engine Accessories, Nonaircraft

Part Alternates: 5978756, 2990-01-258-5544, 01-258-5544, 2990012585544, 012585544

Engine Accessories | Miscellaneous Engine Accessories, Nonaircraft

Supply Group (FSG) NSN Assign. NIIN
29 03 JUL 1987 01-258-5544

Cross Reference | NSN 2990-01-258-5544

Part Number Cage Code Manufacturer
5978756 50225 NAVAL UNDERSEA WARFARE CTR
5978756 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 2990-01-258-5544

Characteristic Specifications
MATERIAL STEEL
MUFFLER DESIGN ANY ACCEPTABLE
BODY SHAPE ROUND
OVERALL LENGTH 31.250 INCHES MINIMUM AND 31.374 INCHES MAXIMUM
OVERALL DIAMETER 7.555 INCHES MINIMUM AND 7.575 INCHES MAXIMUM
OPERATING POSITION ANY ACCEPTABLE
INLET CONNECTION TYPE FLANGE
INLET LOCATION CENTRALLY LOCATED AT THE ENDS OF BODY
INLET FLANGE SHAPE ROUND
INLET FLANGE MOUNTING PROVISION AND QUANTITY 16 HOLES
INLET FLANGE MOUNTING HOLE DIAMETER 0.775 INCHES NOMINAL

Restrictions/Controls & Freight Information | NSN 2990-01-258-5544

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
Less than truck load rating W Rating Variable
Water commodity Code 586 unknown
Originating Activity Code ZN Netherlands
ZO
ZP
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 2990-01-258-5544

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each