Product Details | ENGINE VALVE SEAT INSERT

2815-01-522-4831 A metal ring designed to provide a seating surface for a VALVE, POPPET, ENGINE It is made of special high-grade alloy metal that can withstand high operating temperatures. For fulid valves, see SEAT, VALVE.20328050063Gasoline Reciprocating Engines, Except Aircraft; and Components28100068Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components28150029Diesel Engines and Components

Part Alternates: P417494, 2815-01-522-4831, 01-522-4831, 2815015224831, 015224831

Engines, Turbines, and Components | Diesel Engines and Components

Supply Group (FSG) NSN Assign. NIIN
28 31 JUL 2004 01-522-4831

Drawings & Photos | NSN 2815-01-522-4831


Demand History | NSN 2815-01-522-4831

Part Number Request Date QTY Origin
P417494 2025-08-219 17 DIBBS
P417494 2025-08-217 1 DIBBS
P417494 2025-08-215 1 DIBBS

Cross Reference | NSN 2815-01-522-4831

Part Number Cage Code Manufacturer
P417494 82796 COLTEC INDUSTRIES INC DBA FAIRBANKS MORSE ENGINE

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Technical Data | NSN 2815-01-522-4831

Characteristic Specifications
STYLE DESIGNATOR B2 THREADED FLANGED
FLANGE DIAMETER 2.520 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 0.320 INCHES NOMINAL
UNDER FLANGE HEIGHT 0.630 INCHES NOMINAL
SPECIAL FEATURES SEAT JACKSCREW ( COUNTER WEIGHT GR NUMBER 82 )
III END ITEM IDENTIFICATION ENGINE, DIESEL

Restrictions/Controls & Freight Information | NSN 2815-01-522-4831

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 051080 FAUCETS,BIBCOCKS,GATES VALVES
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 2815-01-522-4831

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 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