Product Details | VALVE SEAT

4820-00-714-4839 A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 83933, 4820-00-714-4839, 00-714-4839, 4820007144839, 007144839

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 11 JUL 1971 00-714-4839

Drawings & Photos | NSN 4820-00-714-4839


Cross Reference | NSN 4820-00-714-4839

Part Number Cage Code Manufacturer
83933 81982 HYDRO-AIRE, INC.

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Technical Data | NSN 4820-00-714-4839

Characteristic Specifications
STYLE DESIGNATOR B10 PLAIN FLANGED
FLANGE DIAMETER 0.860 INCHES MINIMUM AND 0.861 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 0.749 INCHES MINIMUM AND 0.751 INCHES MAXIMUM
BODY INSIDE DIAMETER 0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT 0.093 INCHES NOMINAL
UNDER FLANGE HEIGHT 0.297 INCHES NOMINAL
MATERIAL STEEL COMP 440C OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HARDNESS RATING 58.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM BODY 58.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM FACE
SEATING SURFACE SHAPE FLAT
SEAL ACCOMMODATION TYPE GROOVED

Restrictions/Controls & Freight Information | NSN 4820-00-714-4839

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 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 594 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
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 4820-00-714-4839

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