4820-00-394-7425 DISK,VALVE Index 4820-00-394-7427 SEAT,VALVE

National Stock Number:
4820-00-394-7426

Federal Supply Class:
4820

National Item Identification Number:
003947426

Description:
SEAT,VALVE

Detail:
A replaceable item designed to provide a circular 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.


Manufacturer Information:
P550A70667ATLAS VALVE CO


Techincal Specification:
STYLE DESIGNATORTHREADED FLANGED
FLANGE DIAMETER1.188 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.125 INCHES NOMINAL
UNDER FLANGE HEIGHT0.312 INCHES NOMINAL
BODY STEPPED INSIDE DIAMETER0.750 INCHES NOMINAL FIRST STEP
0.688 INCHES NOMINAL SECOND STEP
MATERIALNICKEL ALLOY OVERALL
SEATING SURFACE SHAPEFLAT
THREAD SERIES DESIGNATORUNEF SINGLE THREADED PORTION
NOMINAL THREAD SIZE1.062 INCHES SINGLE THREADED PORTION
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.312 INCHES NOMINAL SINGLE THREADED PORTION
THE MANUFACTURERS DATA
MANUFACTURERS CODE70667
DESIGN CONTROL REFERENCEP550A


Click here to Register for Free 30-day Trial