NSN 4820-00-771-8890

Part Details | VALVE SEAT

4820-00-771-8890 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: 16029731, 1602973-1, 4820-00-771-8890, 00-771-8890, 4820007718890, 007718890

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196200-771-889022113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-00-771-8890
Part Number Cage Code Manufacturer
1602973-199251CARLETON LIFE SUPPORT SYSTEMS INC.DBA COBHAM MISSION SYSTEM
Technical Data | NSN 4820-00-771-8890
Characteristic Specifications
STYLE DESIGNATOR2A THREADED FLANGED
FLANGE DIAMETER0.687 INCHES NOMINAL
BODY OUTSIDE DIAMETER0.265 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.625 INCHES NOMINAL
UNDER FLANGE HEIGHT0.057 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT