Product Details | VALVE SEAT

4820-00-210-5579 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: AS144355P20, 144355P20, 4820-00-210-5579, 00-210-5579, 4820002105579, 002105579

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-210-5579

Drawings & Photos | NSN 4820-00-210-5579


Cross Reference | NSN 4820-00-210-5579

Part Number Cage Code Manufacturer
144355P20 00198 PRATT & WHITNEY CANADA CIE DIVPRATT & WHITNEY CANADA CORP.
144355P20 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
AS144355P20 12776 AIRCRAFT SUPPLIES

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Technical Data | NSN 4820-00-210-5579

Characteristic Specifications
STYLE DESIGNATOR B7 PLAIN FLANGED
FLANGE DIAMETER 2.839 INCHES MINIMUM AND 2.840 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 2.367 INCHES MINIMUM AND 2.371 INCHES MAXIMUM
BODY INSIDE DIAMETER 2.276 INCHES MINIMUM AND 2.286 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT 0.435 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
UNDER FLANGE HEIGHT 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
MATERIAL STEEL BODY
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5700 ASSN STD SINGLE MATERIAL RESPONSE BODY
HARDNESS RATING 90.0 ROCKWELL B MINIMUM AND 105.0 ROCKWELL B MAXIMUM BODY
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 45.000 NOMINAL
III FSC APPLICATION DATA ACFT ENG R2000
MANUFACTURERS CODE 77445
DESIGN CONTROL REFERENCE 144355P20

Restrictions/Controls & Freight Information | NSN 4820-00-210-5579

Category Code Description
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.
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 S 60
Less than truck load rating W Rating Variable
Water commodity Code 594 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
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable