5360-00-878-0521 SPRING,HELICAL,COMPRESSION Index 5330-00-878-0524 PACKING,PREFORMED

National Stock Number:
4820-00-878-0523

Federal Supply Class:
4820

National Item Identification Number:
008780523

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:
100284-271413014BETHLEHEM STEEL CORP SHIPBUILDING DIV SAN FRANCISCO YARD


Techincal Specification:
BODY INSIDE DIAMETER0.655 INCHES NOMINAL
FLANGE DIAMETER1.000 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT0.720 INCHES NOMINAL
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEAT
MATERIALSTEEL CORROSION RESISTING BODY
NOMINAL THREAD SIZE0.625 INCHES FIRST THREADED PORTION
NOMINAL THREAD SIZE0.750 INCHES SECOND THREADED PORTION
SEATING SURFACE SHAPEFLAT
UNDER FLANGE HEIGHT0.692 INCHES NOMINAL
STYLE DESIGNATORFAUCET
THREAD CLASS2A FIRST THREADED PORTION
THREAD CLASS2A SECOND THREADED PORTION
THREAD LENGTH0.375 INCHES NOMINAL FIRST THREADED PORTION
THREAD LENGTH0.403 INCHES NOMINAL SECOND THREADED PORTION
THREAD SERIES DESIGNATORUNF FIRST THREADED PORTION
THREAD SERIES DESIGNATORUNF SECOND THREADED PORTION


Click here to Register for Free 30-day Trial

© 2026 NSN-Now. All rights reserved.    Privacy Policy  |  Contact Us