NSN 4820-01-180-7242

Part Details | VALVE SEAT

4820-01-180-7242 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: 3465046, 3465-046, 4820-01-180-7242, 01-180-7242, 4820011807242, 011807242

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUN 02, 198401-180-724222113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-01-180-7242
Part Number Cage Code Manufacturer
3465-04666503WOODWARD, INC.DBA WOODWARD
Technical Data | NSN 4820-01-180-7242
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER0.558 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.510 INCHES NOMINAL
BODY INSIDE DIAMETER0.445 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.031 INCHES NOMINAL
UNDER FLANGE HEIGHT0.047 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT
SPECIAL FEATURESFOR VALVE P/N 5251-460 FOR F-101 ACFT ENG MAIN FUEL CONTROL