NSN 4820-01-029-9974

Part Details | VALVE SEAT

4820-01-029-9974 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: 781E733P41, 3009G73001, 3009G73-001, 3009G73 PIECE 1, 6021328001, 6021328-001, 003009G731, 003009G73-1, 4820-01-029-9974, 01-029-9974, 4820010299974, 010299974

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48OCT 26, 197601-029-997422113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-01-029-9974
Part Number Cage Code Manufacturer
781E733P4101289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
3009G73-00101289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
3009G73 PIECE 101289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
6021328-0010BR59SIEMENS GOVERNMENT TECHNOLOGIES,INC.
003009G73-10BR59SIEMENS GOVERNMENT TECHNOLOGIES,INC.
Technical Data | NSN 4820-01-029-9974
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER4.125 INCHES MINIMUM AND 4.126 INCHES MAXIMUM
BODY OUTSIDE DIAMETER3.180 INCHES NOMINAL
BODY INSIDE DIAMETER1.500 INCHES MINIMUM AND 1.510 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT1.855 INCHES MINIMUM AND 1.865 INCHES MAXIMUM
UNDER FLANGE HEIGHT1.720 INCHES NOMINAL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.180 INCHES NOMINAL