NSN 4820-01-217-0017

Part Details | VALVE SEAT

4820-01-217-0017 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: 26M77100, 26M77-100, 8452445066 ITEM 18, 845-2445066 ITEM 18, 8452445066, 845-2445066, 26M77100 ITEM 18, 26M77-100 ITEM 18, 4820-01-217-0017, 01-217-0017, 4820012170017, 012170017

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48SEP 20, 198501-217-001722113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

THREADED FLANGED

Cross Reference | NSN 4820-01-217-0017
Part Number Cage Code Manufacturer
26M77-10096169ELECTRIC BOAT CORPORATION
845-2445066 ITEM 1880064NAVAL SHIP SYSTEMS COMMAND
845-244506680064NAVAL SHIP SYSTEMS COMMAND
26M77-100 ITEM 1880064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4820-01-217-0017
Characteristic Specifications
STYLE DESIGNATOR THREADED FLANGED
FLANGE DIAMETER4.910 INCHES NOMINAL
BODY INSIDE DIAMETER3.505 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.750 INCHES NOMINAL
UNDER FLANGE HEIGHT0.770 INCHES NOMINAL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG30.000 NOMINAL
SEAL ACCOMMODATION TYPE RECESSED