NSN 4820-00-731-1639

Part Details | VALVE SEAT

4820-00-731-1639 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: 2620912PC11 34IN, 2620-912PC11 3-4IN, 450100014, 450-1000-14, 45106363, 45-10-63-63, 4510631063, 45-10-63-10-63, 40063138IN, 400-63-1-3-8IN, 2620912PC11 34IN, 2620-912PC11 3-4IN, 4820-00-731-1639, 00-731-1639, 4820007311639, 007311639

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-731-163922113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-00-731-1639
Part Number Cage Code Manufacturer
2620-912PC11 3-4IN96169ELECTRIC BOAT CORPORATION
450-1000-1498991WORCESTER CONTROLS CORPP O BOX 2609 COOKEVILLE TN 385022609
45-10-63-6398991WORCESTER CONTROLS CORPP O BOX 2609 COOKEVILLE TN 385022609
45-10-63-10-6398991WORCESTER CONTROLS CORPP O BOX 2609 COOKEVILLE TN 385022609
400-63-1-3-8IN98991WORCESTER CONTROLS CORPP O BOX 2609 COOKEVILLE TN 385022609
2620-912PC11 3-4IN98991WORCESTER CONTROLS CORPP O BOX 2609 COOKEVILLE TN 385022609
Technical Data | NSN 4820-00-731-1639
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OVERALL HEIGHT0.250 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.365 INCHES MINIMUM AND 1.375 INCHES MAXIMUM
BODY INSIDE DIAMETER0.813 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL
SEAL ACCOMMODATION TYPE GROOVED