NSN 4820-01-202-6339

Part Details | VALVE SEAT

4820-01-202-6339 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: 7559367, 755936, 755936, 755936, 4820-01-202-6339, 01-202-6339, 4820012026339, 012026339

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48MAR 05, 198501-202-633922113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-01-202-6339
Part Number Cage Code Manufacturer
755936733617ELECTRO-METHODS INC
7559363V183LEWIS MACHINE, LLC
75593631340THE BIRKEN MANUFACTURING COMPANY
75593677445UNITED TECHNOLOGIES CORPORATIONDBA PRATT WHITNEY-SPARE PARTS
Technical Data | NSN 4820-01-202-6339
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER2.492 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.2335 INCHES NOMINAL
BODY INSIDE DIAMETER0.246 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.335 INCHES NOMINAL
UNDER FLANGE HEIGHT2.585 INCHES NOMINAL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.125 INCHES NOMINAL
END ITEM IDENTIFICATIONACFT ENG TF33