Product Details | VALVE SEAT

4820-00-037-5576 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: AS144355P10, 144355P10, 4820-00-037-5576, 00-037-5576, 4820000375576, 000375576

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1961 00-037-5576

Drawings & Photos | NSN 4820-00-037-5576


Cross Reference | NSN 4820-00-037-5576

Part Number Cage Code Manufacturer
144355P10 00198 PRATT & WHITNEY CANADA CIE DIVPRATT & WHITNEY CANADA CORP.
144355P10 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
AS144355P10 12776 AIRCRAFT SUPPLIES

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Technical Data | NSN 4820-00-037-5576

Characteristic Specifications
STYLE DESIGNATOR B7A PLAIN FLANGED
FLANGE DIAMETER 2.830 INCHES NOMINAL
BODY OUTSIDE DIAMETER 2.367 INCHES MINIMUM AND 2.371 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT 0.435 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
UNDER FLANGE HEIGHT 0.140 INCHES NOMINAL
BODY STEPPED INSIDE DIAMETER 2.665 INCHES MINIMUM AND 2.675 INCHES MAXIMUM FIRST STEP 2.335 INCHES MINIMUM AND 2.345 INCHES MAXIMUM SECOND STEP 2.276 INCHES MINIMUM AND 2.286 INCHES MAXIMUM THIRD STEP
MATERIAL STEEL CORROSION RESISTING OVERALL
HARDNESS RATING 90.0 ROCKWELL B MINIMUM AND 105.0 ROCKWELL B MAXIMUM OVERALL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 45.000 NOMINAL
III FSC APPLICATION DATA ACFT ENG R2800
MANUFACTURERS CODE 77445
DESIGN CONTROL REFERENCE 144355P10

Restrictions/Controls & Freight Information | NSN 4820-00-037-5576

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
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 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