NSN 4820-00-604-4645

Part Details | VALVE SEAT

4820-00-604-4645 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: SA220D2INPC3, P8918A, 4820-00-604-4645, 00-604-4645, 4820006044645, 006044645

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 25, 197500-604-464522113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-00-604-4645
Part Number Cage Code Manufacturer
SA220D2INPC370667ATLAS VALVE CO
P8918A70667ATLAS VALVE CO
Technical Data | NSN 4820-00-604-4645
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER2.723 INCHES MINIMUM AND 2.730 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.496 INCHES MINIMUM AND 2.500 INCHES MAXIMUM
BODY INSIDE DIAMETER2.250 INCHES MINIMUM AND 2.254 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.125 INCHES MINIMUM AND 0.129 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.275 INCHES MINIMUM AND 0.279 INCHES MAXIMUM
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG5.000 NOMINAL