NSN 4820-01-057-6645

Part Details | VALVE SEAT

4820-01-057-6645 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: 90P9CD04, 90P9CD-04, 4820-01-057-6645, 01-057-6645, 4820010576645, 010576645

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAR 17, 197801-057-664522113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-01-057-6645
Part Number Cage Code Manufacturer
90P9CD-0477842EATON CORPORATIONDBA CENTURIAN MECHANICAL SEALS
Technical Data | NSN 4820-01-057-6645
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OVERALL HEIGHT0.096 INCHES MINIMUM AND 0.102 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.582 INCHES MINIMUM AND 0.590 INCHES MAXIMUM
BODY INSIDE DIAMETER0.487 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT