NSN 4820-00-504-8129

Part Details | VALVE SEAT

4820-00-504-8129 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: 7279121X3PC17, 72791-21X3PC17, 7279121X03, 72791-21X03, 26YD801X2PC1, 26YD-801X2PC1, 5164391370, 516-4391370, 4820-00-504-8129, 00-504-8129, 4820005048129, 005048129

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUL 17, 197400-504-812922113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-00-504-8129
Part Number Cage Code Manufacturer
72791-21X3PC1796169ELECTRIC BOAT CORPORATION
72791-21X0396169ELECTRIC BOAT CORPORATION
26YD-801X2PC196169ELECTRIC BOAT CORPORATION
516-439137053711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 4820-00-504-8129
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER0.750 INCHES NOMINAL
BODY INSIDE DIAMETER0.325 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.100 INCHES NOMINAL
UNDER FLANGE HEIGHT0.312 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT