NSN 4820-00-840-8761

Part Details | VALVE SEAT

4820-00-840-8761 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: 1757820081, 175782-0081, 175782, 4820-00-840-8761, 00-840-8761, 4820008408761, 008408761

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48DEC 21, 196600-840-876122113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-00-840-8761
Part Number Cage Code Manufacturer
175782-008199657MAROTTA CONTROLS, INC.
17578299657MAROTTA CONTROLS, INC.
Technical Data | NSN 4820-00-840-8761
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER0.372 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.256 INCHES MINIMUM AND 0.258 INCHES MAXIMUM
BODY INSIDE DIAMETER0.124 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.033 INCHES MINIMUM AND 0.035 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.080 INCHES MINIMUM AND 0.085 INCHES MAXIMUM
SEATING SURFACE SHAPE FLAT