3120-00-992-0627 BUSHING,SLEEVE Index 2825-00-992-0631 DEFLECTOR,DIRT AND LIQUID

National Stock Number:
4820-00-992-0630

Federal Supply Class:
4820

National Item Identification Number:
009920630

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:
667J658PC979500WESTINGHOUSE ELECTRIC CORP
915D549H0179500WESTINGHOUSE ELECTRIC CORP
915D549H0188657WESTINGHOUSE ELECTRIC CORP POWER GENERATION-TURBINE DIV
915D549H0190099NORTHROP GRUMMAN SYSTEMS CORPORATION
915D549PC179500WESTINGHOUSE ELECTRIC CORP
915D549PC190099NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
BODY STEPPED INSIDE DIAMETER0.687 INCHES NOMINAL FIRST STEP
BODY STEPPED INSIDE DIAMETER0.966 INCHES NOMINAL SECOND STEP
FLANGE DIAMETER2.460 INCHES MINIMUM AND 2.480 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT1.000 INCHES NOMINAL
FSC APPLICATION DATASTEAM TURBINE,ELECTRIC GENERATION
MATERIAL DOCUMENT AND CLASSIFICATIONDE15-15B MFR REF SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONSTELLITE HAYNES 6 MFR REF SINGLE MATERIAL RESPONSE SEAT
MATERIALSTEEL BODY
MATERIALSTEEL SEAT
NOMINAL THREAD SIZE2.000 INCHES SINGLE THREADED PORTION
SEAT RADIUS0.255 INCHES MINIMUM AND 0.259 INCHES MAXIMUM
SEATING SURFACE SHAPERADIAL
STYLE DESIGNATORTHREADED FLANGED
THREAD CLASS3A SINGLE THREADED PORTION
THREAD LENGTH0.875 INCHES NOMINAL SINGLE THREADED PORTION
THREAD QUANTITY PER INCH12 SINGLE THREADED PORTION
THREAD SERIES DESIGNATORUN SINGLE THREADED PORTION
UNDER FLANGE HEIGHT0.875 INCHES NOMINAL


Click here to Register for Free 30-day Trial

© 2025 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us