NSN 4820-00-468-0837

Part Details | VALVE SEAT

4820-00-468-0837 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: 2R302PC34, 2R293PC34, 490731PC34, 490722PC34, 490731PC34, 490722PC34, 1612285PC34, 1612-285PC34, 1603285PC34, 1603-285PC34, 4820-00-468-0837, 00-468-0837, 4820004680837, 004680837

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196100-468-083722113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-00-468-0837
Part Number Cage Code Manufacturer
2R302PC3451729DRESSER, INC.DBA DRESSER ROOTS BLOWERS &
2R293PC3451729DRESSER, INC.DBA DRESSER ROOTS BLOWERS &
490731PC3453711NAVAL SEA SYSTEMS COMMAND
490722PC3453711NAVAL SEA SYSTEMS COMMAND
490731PC3480064NAVAL SHIP SYSTEMS COMMAND
490722PC3480064NAVAL SHIP SYSTEMS COMMAND
1612-285PC3481316PORTSMOUTH NAVAL SHIPYARD
1603-285PC3481316PORTSMOUTH NAVAL SHIPYARD
Technical Data | NSN 4820-00-468-0837
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER4.812 INCHES NOMINAL
BODY OUTSIDE DIAMETER4.489 INCHES NOMINAL
BODY INSIDE DIAMETER3.780 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.418 INCHES NOMINAL
UNDER FLANGE HEIGHT0.830 INCHES NOMINAL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS2.073 INCHES NOMINAL
SPECIAL FEATURESFLANGE MTG,4 BOLT HOLES 0.435 IN. DIA ON A 5.535 IN. BC DIA