NSN 4820-01-144-3264

Part Details | VALVE SEAT

4820-01-144-3264 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: 7677435X2, 76774-35X2, SSBN6405012146471 PC 34, SSBN640-501-2146471 PC 34, SSBN6405012146471, SSBN640-501-2146471, 4820-01-144-3264, 01-144-3264, 4820011443264, 011443264

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48DEC 18, 198201-144-326422113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-01-144-3264
Part Number Cage Code Manufacturer
76774-35X296169ELECTRIC BOAT CORPORATION
SSBN640-501-2146471 PC 3480064NAVAL SHIP SYSTEMS COMMAND
SSBN640-501-214647180064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4820-01-144-3264
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER17.500 INCHES NOMINAL
BODY OUTSIDE DIAMETER15.375 INCHES NOMINAL
BODY INSIDE DIAMETER13.000 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.625 INCHES NOMINAL
UNDER FLANGE HEIGHT0.750 INCHES NOMINAL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.010 INCHES NOMINAL