NSN 4820-01-029-9973

Part Details | VALVE SEAT

4820-01-029-9973 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: 781E733P42, 3009G73002, 3009G73-002, 3009G73 PIECE 2, 6021328002, 6021328-002, 3009G732, 3009G73-2, 003009G732, 003009G73-2, 4820-01-029-9973, 01-029-9973, 4820010299973, 010299973

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48OCT 26, 197601-029-997322113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-01-029-9973
Part Number Cage Code Manufacturer
781E733P4201289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
3009G73-00201289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
3009G73 PIECE 201289GENERAL ELECTRIC COMPANYDBA GE DIV GE-AVIATION GEAR PLANT
6021328-0020BR59SIEMENS GOVERNMENT TECHNOLOGIES,INC.
3009G73-20BR59SIEMENS GOVERNMENT TECHNOLOGIES,INC.
003009G73-20BR59SIEMENS GOVERNMENT TECHNOLOGIES,INC.
Technical Data | NSN 4820-01-029-9973
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER4.750 INCHES MINIMUM AND 7.751 INCHES MAXIMUM
BODY OUTSIDE DIAMETER3.880 INCHES NOMINAL
BODY INSIDE DIAMETER2.365 INCHES MINIMUM AND 2.375 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT1.817 INCHES MINIMUM AND 1.827 INCHES MAXIMUM
UNDER FLANGE HEIGHT3.738 INCHES NOMINAL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.180 INCHES NOMINAL