NSN 4820-00-421-3863

Part Details | VALVE SEAT

4820-00-421-3863 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: 4929PC43, SSN5942092565065BPC27, SSN594-209-2565065BPC27, SSN5942092565065BPC27, SSN594-209-2565065BPC27, 4820-00-421-3863, 00-421-3863, 4820004213863, 004213863

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48DEC 09, 197000-421-386322113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-00-421-3863
Part Number Cage Code Manufacturer
4929PC4304537ATWOOD & MORRILL CO. INC.DBA WEIR VALVES AND CONTROLS USA
SSN594-209-2565065BPC2753711NAVAL SEA SYSTEMS COMMAND
SSN594-209-2565065BPC2780064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4820-00-421-3863
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OVERALL HEIGHT0.625 INCHES NOMINAL
BODY OUTSIDE DIAMETER13.250 INCHES NOMINAL
BODY INSIDE DIAMETER11.500 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT
SEAL ACCOMMODATION TYPE GROOVED