Product Details | VALVE SEAT

4820-00-397-9526 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: 60645P10, 61258P10, 4820-00-397-9526, 00-397-9526, 4820003979526, 003979526

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-397-9526

Drawings & Photos | NSN 4820-00-397-9526


Cross Reference | NSN 4820-00-397-9526

Part Number Cage Code Manufacturer
60645P10 80254 TEXTRON LYCOMING INC WILLIAMSPORT PLANT
61258P10 80254 TEXTRON LYCOMING INC WILLIAMSPORT PLANT

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Technical Data | NSN 4820-00-397-9526

Characteristic Specifications
STYLE DESIGNATOR B6 PLAIN
OVERALL HEIGHT 0.409 INCHES MINIMUM AND 0.414 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 1.107 INCHES NOMINAL
BODY INSIDE DIAMETER 1.720 INCHES NOMINAL
MATERIAL COPPER ALLOY 614 OVERALL
HARDNESS RATING 80.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS 0.250 INCHES NOMINAL
MANUFACTURERS CODE 80254
DESIGN CONTROL REFERENCE 61258P10

Restrictions/Controls & Freight Information | NSN 4820-00-397-9526

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 736 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 B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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