Product Details | VALVE SEAT

4820-00-498-7302 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: RB19054, 4820-00-498-7302, 00-498-7302, 4820004987302, 004987302

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 17 OCT 1969 00-498-7302

Cross Reference | NSN 4820-00-498-7302

Part Number Cage Code Manufacturer
RB19054 51663 CRANE CO. DBA LEAR ROMEC

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Technical Data | NSN 4820-00-498-7302

Characteristic Specifications
MATERIAL STEEL COMP 303MA OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 90.000 NOMINAL
THREAD SERIES DESIGNATOR UNEF SINGLE THREADED PORTION
NOMINAL THREAD SIZE 1.250 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH 18 SINGLE THREADED PORTION
THREAD CLASS 2A SINGLE THREADED PORTION
MANUFACTURERS CODE 51663
DESIGN CONTROL REFERENCE RB19054

Restrictions/Controls & Freight Information | NSN 4820-00-498-7302

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 SE San Antonio Air Logistics Center
Kelly AFB, TX 78241-5000
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 Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable