NSN 4820-01-258-9400

Part Details | VALVE SEAT

4820-01-258-9400 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: 128HM1050111, 128HM10501-11, 128HM10501, 4820-01-258-9400, 01-258-9400, 4820012589400, 012589400

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUL 10, 198701-258-940022113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-01-258-9400
Part Number Cage Code Manufacturer
128HM10501-1126512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
128HM1050126512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
Technical Data | NSN 4820-01-258-9400
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OVERALL HEIGHT0.062 INCHES NOMINAL
BODY OUTSIDE DIAMETER1.118 INCHES NOMINAL
BODY INSIDE DIAMETER0.625 INCHES NOMINAL
SEATING SURFACE SHAPE FLAT