Product Details | VALVE SEAT

4820-00-523-3070 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: SA35967P030, 35967P30, 4820-00-523-3070, 00-523-3070, 4820005233070, 005233070

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-523-3070

Drawings & Photos | NSN 4820-00-523-3070


Cross Reference | NSN 4820-00-523-3070

Part Number Cage Code Manufacturer
35967P30 28839 TELEDYNE INDUSTRIES INC TELEDYNE POWER SYSTEMS DIV
SA35967P030 51660 SUPERIOR AIR PARTS INC

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Technical Data | NSN 4820-00-523-3070

Characteristic Specifications
STYLE DESIGNATOR B7 PLAIN FLANGED
FLANGE DIAMETER 2.0610 INCHES MINIMUM AND 2.0625 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 1.826 INCHES MINIMUM AND 1.827 INCHES MAXIMUM
BODY INSIDE DIAMETER 1.665 INCHES MINIMUM AND 1.675 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT 0.185 INCHES MINIMUM AND 0.191 INCHES MAXIMUM
UNDER FLANGE HEIGHT 0.303 INCHES MINIMUM AND 0.309 INCHES MAXIMUM
MATERIAL STEEL OVERALL
HARDNESS RATING 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM BODY 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM FACE
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 45.000 NOMINAL
TAPER MINOR DIAMETER 1.824 INCHES MINIMUM AND 1.825 INCHES MAXIMUM
TAPER MAJOR DIAMETER 1.826 INCHES MINIMUM AND 1.827 INCHES MAXIMUM
TAPER LENGTH 0.241 INCHES MINIMUM AND 0.247 INCHES MAXIMUM
SEAL ACCOMMODATION TYPE GROOVED

Restrictions/Controls & Freight Information | NSN 4820-00-523-3070

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 133300 MACHINERY/MACHINES NOI
Less than car load rating K 92.5
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 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