NSN 4820-01-086-4133

Part Details | VALVE SEAT

4820-01-086-4133 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: 8330930, 83309-30, 83309 ITEM 10 4 INCH, 4820-01-086-4133, 01-086-4133, 4820010864133, 010864133

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48NOV 28, 197901-086-413322113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-086-4133
Part Number Cage Code Manufacturer
83309-3057574VELAN VALVE CORPORATION
83309 ITEM 10 4 INCH57574VELAN VALVE CORPORATION
Technical Data | NSN 4820-01-086-4133
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER2.500 INCHES NOMINAL
BODY INSIDE DIAMETER1.635 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.255 INCHES NOMINAL
UNDER FLANGE HEIGHT0.900 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL