NSN 4820-00-104-8640

Part Details | VALVE SEAT

4820-00-104-8640 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: 1298610003, 129861-0003, 4820-00-104-8640, 00-104-8640, 4820001048640, 001048640

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUN 23, 196800-104-864022113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-00-104-8640
Part Number Cage Code Manufacturer
129861-000399657MAROTTA CONTROLS, INC.
Technical Data | NSN 4820-00-104-8640
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OVERALL HEIGHT0.4620 INCHES MINIMUM AND 0.4635 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.5420 INCHES MINIMUM AND 0.5430 INCHES MAXIMUM
BODY INSIDE DIAMETER0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.5625 INCHES NOMINAL