NSN 4820-01-121-2865

Part Details | VALVE SEAT

4820-01-121-2865 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: 6000, 80350010044XX, 803-5001004-4XX, 8035001004X4XX07, 803-5001004-X4XX-07, 8035001004X4X, 803-5001004-X4X, 8035001004X3X107, 803-5001004-X3X1-07, 8035001004, 803-5001004, 5001004X3X107, 5001004-X3X1-07, 4820-01-121-2865, 01-121-2865, 4820011212865, 011212865

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48NOV 04, 198101-121-286522113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-01-121-2865
Part Number Cage Code Manufacturer
600055650DOWN EAST, INCDBA MAGIC LANTERN MOVIE THEATRE
803-5001004-4XX53711NAVAL SEA SYSTEMS COMMAND
803-5001004-X4XX-0753711NAVAL SEA SYSTEMS COMMAND
803-5001004-X4X53711NAVAL SEA SYSTEMS COMMAND
803-5001004-X3X1-0753711NAVAL SEA SYSTEMS COMMAND
803-500100453711NAVAL SEA SYSTEMS COMMAND
5001004-X3X1-0753711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 4820-01-121-2865
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER7.432 INCHES NOMINAL
BODY OUTSIDE DIAMETER7.057 INCHES NOMINAL
BODY INSIDE DIAMETER5.755 INCHES MINIMUM AND 5.760 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.237 INCHES NOMINAL
UNDER FLANGE HEIGHT0.383 INCHES MINIMUM AND 0.388 INCHES MAXIMUM
SEATING SURFACE SHAPE FLAT