NSN 4820-00-200-9056

Part Details | VALVE SEAT

4820-00-200-9056 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.

Alternate Parts: 426182400420001, 426-18-24-0042-0001, 026182400420001, 026-18-24-0042-0001, 6182416, 618-24-16, 6182401, 618-24-01, 4820-00-200-9056, 00-200-9056, 4820002009056, 002009056

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196100-200-905622113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-00-200-9056
Part Number Cage Code Manufacturer
426-18-24-0042-000116626CIRCOR INTL INC
026-18-24-0042-000116626CIRCOR INTL INC
618-24-1616626CIRCOR INTL INC
618-24-0116626CIRCOR INTL INC
Technical Data | NSN 4820-00-200-9056
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER3.552 INCHES MINIMUM AND 3.557 INCHES MAXIMUM
BODY OUTSIDE DIAMETER3.302 INCHES MINIMUM AND 3.307 INCHES MAXIMUM
BODY INSIDE DIAMETER1.500 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.155 INCHES NOMINAL
UNDER FLANGE HEIGHT0.280 INCHES MINIMUM AND 0.285 INCHES MAXIMUM
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG34.000 MINIMUM AND 35.000 MAXIMUM
SPECIAL FEATURES7.5 DEG ANGLE FACE OPPOSITE SEAT