Product Details | VALVE SEAT

4820-00-008-8913 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: 9752034, 975203-4, 4820-00-008-8913, 00-008-8913, 4820000088913, 000088913

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 28 JUL 1972 00-008-8913

Cross Reference | NSN 4820-00-008-8913

Part Number Cage Code Manufacturer
975203-4 59364 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
975203-4 99193 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL

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Technical Data | NSN 4820-00-008-8913

Characteristic Specifications
FLANGE DIAMETER 0.282 INCHES MINIMUM AND 0.286 INCHES MAXIMUM
OVERALL HEIGHT 0.780 INCHES MINIMUM AND 0.800 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 0.243 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
BODY INSIDE DIAMETER 0.145 INCHES MINIMUM AND 0.155 INCHES MAXIMUM
MATERIAL STEEL OVERALL
HARDNESS RATING 40.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM BODY
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 55.000 MINIMUM AND 65.000 MAXIMUM
THREAD SERIES DESIGNATOR UNF SINGLE THREADED PORTION
NOMINAL THREAD SIZE 0.250 INCHES SINGLE THREADED PORTION
THREAD CLASS 2A SINGLE THREADED PORTION
THREAD LENGTH 0.800 INCHES MINIMUM AND 0.820 INCHES MAXIMUM FIRST THREADED PORTION
MANUFACTURERS CODE 59364
DESIGN CONTROL REFERENCE 975203-4

Restrictions/Controls & Freight Information | NSN 4820-00-008-8913

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 576 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 B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4820-00-008-8913

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 CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each