NSN 4820-01-218-3418

Part Details | VALVE SEAT

4820-01-218-3418 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: 31697031, 3169703-1, 3169703, 4820-01-218-3418, 01-218-3418, 4820012183418, 012183418

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48OCT 10, 198501-218-341822113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-01-218-3418
Part Number Cage Code Manufacturer
3169703-159364HONEYWELL INTERNATIONAL INC.DBA HONEYWELL
316970359364HONEYWELL INTERNATIONAL INC.DBA HONEYWELL
Technical Data | NSN 4820-01-218-3418
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
FLANGE DIAMETER1.390 INCHES MINIMUM AND 1.400 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM
BODY INSIDE DIAMETER0.750 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
UNDER FLANGE HEIGHT0.040 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG60.000 MINIMUM AND 61.000 MAXIMUM