NSN 4820-01-216-8844

Part Details | VALVE SEAT

4820-01-216-8844 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: A7736.156(MOD), A15688PC13, A14319.001.156, 4820-01-216-8844, 01-216-8844, 4820012168844, 012168844

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48SEP 18, 198501-216-884422113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-216-8844
Part Number Cage Code Manufacturer
A7736.156(MOD)01343ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY
A15688PC1301343ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY
A14319.001.15601343ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY
Technical Data | NSN 4820-01-216-8844
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER1.795 INCHES MINIMUM AND 1.805 INCHES MAXIMUM
BODY INSIDE DIAMETER1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.375 INCHES NOMINAL
UNDER FLANGE HEIGHT0.066 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG44.000 MINIMUM AND 44.500 MAXIMUM
SEAL ACCOMMODATION TYPE GROOVED
SPECIAL FEATURESINTERNAL SOCKET 0.750 INCH HEXAGON FOR USE WITH INSERTED DRIVER
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY