NSN 4820-00-633-1985

Part Details | VALVE SEAT

4820-00-633-1985 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: 96822, 4820-00-633-1985, 00-633-1985, 4820006331985, 006331985

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-633-198522113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-00-633-1985
Part Number Cage Code Manufacturer
9682273030HAMILTON SUNDSTRAND CORPORATION
Technical Data | NSN 4820-00-633-1985
Characteristic Specifications
STYLE DESIGNATOR4 THREADED FLANGED
FLANGE DIAMETER0.862 INCHES MINIMUM AND 0.864 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.749 INCHES MINIMUM AND 0.755 INCHES MAXIMUM
BODY INSIDE DIAMETER0.155 INCHES MINIMUM AND 0.157 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.165 INCHES MINIMUM AND 0.255 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM
SEATING SURFACE SHAPE FLAT
SPECIAL FEATURESDRILL NO47,0.079 DIA,THRU 3 HOLESEQUALLY SPACED