Product Details | VALVE SEAT

4820-00-219-8293 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: 8002456, 4820-00-219-8293, 00-219-8293, 4820002198293, 002198293

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-219-8293

Drawings & Photos | NSN 4820-00-219-8293


Cross Reference | NSN 4820-00-219-8293

Part Number Cage Code Manufacturer
8002456 18876 U S ARMY AVIATION AND MISSILE COMMAND

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Technical Data | NSN 4820-00-219-8293

Characteristic Specifications
STYLE DESIGNATOR B10 PLAIN FLANGED
FLANGE DIAMETER 0.436 INCHES NOMINAL
BODY OUTSIDE DIAMETER 0.436 INCHES NOMINAL
BODY INSIDE DIAMETER 0.125 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 0.069 INCHES NOMINAL
UNDER FLANGE HEIGHT 0.181 INCHES NOMINAL
MATERIAL STEEL COMP 303SE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE FLAT
MANUFACTURERS CODE 18876
DESIGN CONTROL REFERENCE 8002456

Restrictions/Controls & Freight Information | NSN 4820-00-219-8293

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