Product Details | VALVE SEAT

4820-00-390-3763 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: NH30043PC76, NH30045PC76, NH30055PC79, NH3005779, NH30057-79, NH30057PC79, NH30067PC79, NH30069PC79, NH30079PC79, NH30081PC79, H44203903762PC2, H4420-390-3762PC2, W9807019, W98070-19, W98070PC19, 64054PC76, 640-54PC76, 4820-00-390-3763, 00-390-3763, 4820003903763, 003903763

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-390-3763

Cross Reference | NSN 4820-00-390-3763

Part Number Cage Code Manufacturer
640-54PC76 72957 ELLIOTT COMPANY DIV JEANNETTE
H4420-390-3762PC2 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
NH30043PC76 72957 ELLIOTT COMPANY DIV JEANNETTE
NH30045PC76 72957 ELLIOTT COMPANY DIV JEANNETTE
NH30055PC79 72957 ELLIOTT COMPANY DIV JEANNETTE
NH30057-79 72957 ELLIOTT COMPANY DIV JEANNETTE
NH30057PC79 72957 ELLIOTT COMPANY DIV JEANNETTE
NH30067PC79 72957 ELLIOTT COMPANY DIV JEANNETTE
NH30069PC79 72957 ELLIOTT COMPANY DIV JEANNETTE
NH30079PC79 72957 ELLIOTT COMPANY DIV JEANNETTE
NH30081PC79 72957 ELLIOTT COMPANY DIV JEANNETTE
W98070-19 72957 ELLIOTT COMPANY DIV JEANNETTE
W98070PC19 72957 ELLIOTT COMPANY DIV JEANNETTE

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Technical Data | NSN 4820-00-390-3763

Characteristic Specifications
FLANGE DIAMETER 2.750 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 0.625 INCHES NOMINAL
UNDER FLANGE HEIGHT 2.563 INCHES NOMINAL
MATERIAL NICKEL ALLOY BODY
HARDNESS RATING 125.0 BRINELL STANDARD MINIMUM AND 150.0 BRINELL STANDARD MAXIMUM BODY
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 30.000 NOMINAL

Restrictions/Controls & Freight Information | NSN 4820-00-390-3763

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.
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 XX
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 4820-00-390-3763

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