Product Details | VALVE SEAT

4820-00-210-5541 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: 113646, 4820-00-210-5541, 00-210-5541, 4820002105541, 002105541

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-210-5541

Drawings & Photos | NSN 4820-00-210-5541


Cross Reference | NSN 4820-00-210-5541

Part Number Cage Code Manufacturer
113646 00198 PRATT & WHITNEY CANADA CIE DIVPRATT & WHITNEY CANADA CORP.
113646 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS

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Technical Data | NSN 4820-00-210-5541

Characteristic Specifications
STYLE DESIGNATOR B7 PLAIN FLANGED
FLANGE DIAMETER 3.069 INCHES MINIMUM AND 3.070 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 2.586 INCHES MINIMUM AND 2.590 INCHES MAXIMUM
BODY INSIDE DIAMETER 2.523 INCHES MINIMUM AND 2.533 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT 0.446 INCHES MINIMUM AND 0.449 INCHES MAXIMUM
UNDER FLANGE HEIGHT 0.136 INCHES MINIMUM AND 0.145 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 END ITEM IDENTIFICATION ACFT ENG R2800
MANUFACTURERS CODE 77445
DESIGN CONTROL REFERENCE 113646

Restrictions/Controls & Freight Information | NSN 4820-00-210-5541

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 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

Management | NSN 4820-00-210-5541

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 CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
5
EA : Each