Product Details | VALVE SEAT

4820-00-898-8627 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: 418829, 4820-00-898-8627, 00-898-8627, 4820008988627, 008988627

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1962 00-898-8627

Cross Reference | NSN 4820-00-898-8627

Part Number Cage Code Manufacturer
418829 01137 CECILWARE CORPORATION
418829 02154 ROYSON ENGINEERING COMPANY
418829 04049 ARROW PNEUMATICS INC
418829 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS

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Technical Data | NSN 4820-00-898-8627

Characteristic Specifications
FLANGE DIAMETER 2.494 INCHES MINIMUM AND 2.496 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 1.230 INCHES MINIMUM AND 1.234 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT 0.330 INCHES MINIMUM AND 0.340 INCHES MAXIMUM
UNDER FLANGE HEIGHT 1.290 INCHES MINIMUM AND 1.350 INCHES MAXIMUM
MATERIAL STEEL OVERALL
HARDNESS RATING 35.000 ROCKWELL C MINIMUM AND 40.000 ROCKWELL C MAXIMUM OVERALL
SEATING SURFACE SHAPE FLAT
III FSC APPLICATION DATA OIL FILTER VALVE,ACFT ENGINE
MANUFACTURERS CODE 77445
DESIGN CONTROL REFERENCE 418829

Restrictions/Controls & Freight Information | NSN 4820-00-898-8627

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
No Freight Information