NSN 4820-00-389-8659

Part Details | VALVE SEAT

4820-00-389-8659 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: 1JH2178 PIECE 5, 1714016, 1714016, 4820-00-389-8659, 00-389-8659, 4820003898659, 003898659

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-389-865922113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-00-389-8659
Part Number Cage Code Manufacturer
1JH2178 PIECE 590099NORTHROP GRUMMAN SYSTEMS CORPORATIONDBA NORTHROP GRUMMAN MARINE SYSTEMS
171401690099NORTHROP GRUMMAN SYSTEMS CORPORATIONDBA NORTHROP GRUMMAN MARINE SYSTEMS
171401679500WESTINGHOUSE ELECTRIC CORP
Technical Data | NSN 4820-00-389-8659
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OVERALL HEIGHT2.438 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.746 INCHES MINIMUM AND 1.748 INCHES MAXIMUM
SEATING SURFACE SHAPE FLAT