NSN 4820-01-063-1895

Part Details | VALVE SEAT

4820-01-063-1895 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: 2640820X8PC3, 2640-820X8PC3, 8102178493PIECE3, 810-2178493PIECE3, 8102178493, 810-2178493, 8032178493A3, 803-2178493-A-3, 8032178493 PIECE 30, 803-2178493 PIECE 30, 4820-01-063-1895, 01-063-1895, 4820010631895, 010631895

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUL 29, 197801-063-189522113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-01-063-1895
Part Number Cage Code Manufacturer
2640-820X8PC396169ELECTRIC BOAT CORPORATION
810-2178493PIECE353711NAVAL SEA SYSTEMS COMMAND
810-217849353711NAVAL SEA SYSTEMS COMMAND
803-2178493-A-380064NAVAL SHIP SYSTEMS COMMAND
803-2178493 PIECE 3080064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4820-01-063-1895
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OVERALL HEIGHT0.358 INCHES NOMINAL
BODY OUTSIDE DIAMETER3.873 INCHES NOMINAL
BODY INSIDE DIAMETER3.430 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT
SPECIAL FEATURESID.COUNTERBORED TO 3.500 IN.DIA.AND 0.312 IN.DEPTH