NSN 4820-00-979-6366

Part Details | VALVE SEAT

4820-00-979-6366 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: 577910, 577910, 4820-00-979-6366, 00-979-6366, 4820009796366, 009796366

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-979-636622113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-00-979-6366
Part Number Cage Code Manufacturer
57791073030HAMILTON SUNDSTRAND CORPORATION
57791045934ONTIC ENGINEERING AND MANUFACTURING,INC.
Technical Data | NSN 4820-00-979-6366
Characteristic Specifications
STYLE DESIGNATOR0 THREADED FLANGED
FLANGE DIAMETER0.855 INCHES MINIMUM AND 0.865 INCHES MAXIMUM
BODY OUTSIDE DIAMETER0.621 INCHES MINIMUM AND 0.623 INCHES MAXIMUM
BODY INSIDE DIAMETER0.398 INCHES MINIMUM AND 0.402 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.310 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
SEATING SURFACE SHAPE FLAT
SEAL ACCOMMODATION TYPE GROOVED