NSN 4820-00-857-0280

Part Details | VALVE SEAT

4820-00-857-0280 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: 101B354BR1, 101B354BR-1, 101B354BRPC1, 101B354BR1, 101B354BR-1, 4820-00-857-0280, 00-857-0280, 4820008570280, 008570280

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196200-857-028022113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 4820-00-857-0280
Part Number Cage Code Manufacturer
101B354BR-181893GENERAL ELECTRIC COLYNN RIVER WORKS
101B354BRPC124446GENERAL ELECTRIC COMPANY
101B354BR-103502GENERAL ELECTRIC CONAVAL AND DRIVE TURBINE SYSTEMS DEPT
Technical Data | NSN 4820-00-857-0280
Characteristic Specifications
STYLE DESIGNATOR PLAIN
OVERALL HEIGHT0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM
BODY OUTSIDE DIAMETER3.501 INCHES NOMINAL
BODY INSIDE DIAMETER2.125 INCHES MINIMUM AND 2.126 INCHES MAXIMUM
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.635 INCHES MINIMUM AND 0.641 INCHES MAXIMUM