NSN 4820-00-987-7453

Part Details | VALVE SEAT

4820-00-987-7453 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: 101B354AA2, PL501E458AEPC4, 101B354AA2, 4820-00-987-7453, 00-987-7453, 4820009877453, 009877453

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196200-987-745322113 ( SEAT, VALVE )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

Cross Reference | NSN 4820-00-987-7453
Part Number Cage Code Manufacturer
101B354AA224446GENERAL ELECTRIC COMPANY
PL501E458AEPC424446GENERAL ELECTRIC COMPANY
101B354AA203502GENERAL ELECTRIC CONAVAL AND DRIVE TURBINE SYSTEMS DEPT
Technical Data | NSN 4820-00-987-7453
Characteristic Specifications
STYLE DESIGNATORA PLAIN FLANGED
FLANGE DIAMETER2.5005 INCHES MINIMUM AND 2.5010 INCHES MAXIMUM
BODY OUTSIDE DIAMETER1.999 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
UNDER FLANGE HEIGHT1.000 INCHES NOMINAL
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS0.147 INCHES MINIMUM AND 0.153 INCHES MAXIMUM
FSC APPLICATION DATATURBINE,STEAM