5342-00-678-4343 CONTROL ROD Index 2825-00-678-4347 PACKING ASSY,LABYRINTH

National Stock Number:
4820-00-678-4345

Federal Supply Class:
4820

National Item Identification Number:
006784345

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:
101B354BF103502GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT
7027E58AXPC3124446GENERAL ELECTRIC COMPANY
B3291860REVAPC180064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY INSIDE DIAMETER1.448 INCHES MINIMUM AND 1.454 INCHES MAXIMUM
BODY OUTSIDE DIAMETER2.122 INCHES MINIMUM AND 2.123 INCHES MAXIMUM
FLANGE DIAMETER2.626 INCHES MINIMUM AND 2.631 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT0.498 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 410 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALCOBALT ALLOY FACE
MATERIALSTEEL BODY
SEAT RADIUS0.337 INCHES NOMINAL
SEATING SURFACE SHAPERADIAL
STYLE DESIGNATORPLAIN FLANGED
TAPER MAJOR DIAMETER1.448 INCHES MINIMUM AND 1.454 INCHES MAXIMUM
TAPER MINOR DIAMETER1.125 INCHES MINIMUM AND 1.128 INCHES MAXIMUM
UNDER FLANGE HEIGHT1.414 INCHES MINIMUM AND 1.924 INCHES MAXIMUM


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