NSN 4820-01-449-1979

Part Details | VALVE SEAT

4820-01-449-1979 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: 803438453661XX85, 803-4384536-61XX-85, 8034384536 PC 85, 803-4384536 PC 85, 4384536, 4820-01-449-1979, 01-449-1979, 4820014491979, 014491979

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48SEP 23, 199701-449-197922113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN THREADED

Cross Reference | NSN 4820-01-449-1979
Part Number Cage Code Manufacturer
803-4384536-61XX-8580064NAVAL SHIP SYSTEMS COMMAND
803-4384536 PC 8580064NAVAL SHIP SYSTEMS COMMAND
438453680064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4820-01-449-1979
Characteristic Specifications
STYLE DESIGNATOR PLAIN THREADED
OVERALL HEIGHT0.375 INCHES NOMINAL
BODY INSIDE DIAMETER1.318 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT
END ITEM IDENTIFICATIONNIMITZ CLASS CVN