4320-00-678-8501 RING,LANTERN Index 5365-00-678-8503 SPACER,SLEEVE

National Stock Number:
4320-00-678-8502

Federal Supply Class:
4320

National Item Identification Number:
006788502

Description:
RING,WEARING

Detail:
A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.


Manufacturer Information:
C185A63857CIRCOR NAVAL SOLUTIONS LLC
CS4320-010816236DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS)
R-656 PC3263857CIRCOR NAVAL SOLUTIONS LLC


Techincal Specification:
DISTANCE FROM END0.438 INCHES NOMINAL
BODY INSIDE DIAMETER2.985 INCHES MINIMUM AND 2.987 INCHES MAXIMUM
BODY OUTSIDE DIAMETER3.998 INCHES MINIMUM AND 4.000 INCHES MAXIMUM
BODY STYLEINTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
CORNER RADIUS0.375 INCHES NOMINAL INSIDE RIGHT CORNER
CORNER SHAPEROUND INSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
DISTANCE BELOW CENTERLINE0.125 INCHES NOMINAL
DISTANCE BETWEEN FLANGES0.438 INCHES MINIMUM AND 0.441 INCHES MAXIMUM
END TO FLANGE DISTANCE0.813 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER2.625 INCHES NOMINAL
INTERNAL FLANGE WIDTH0.250 INCHES NOMINAL
LARGEST EXTERNAL ANCHOR FLANGE RADIUS2.219 INCHES NOMINAL
LEFT SIDE FLANGE THICKNESS0.188 INCHES NOMINAL
OVERALL LENGTH1.000 INCHES NOMINAL
MATERIALCOPPER ALLOY
RIGHT SIDE FLANGE THICKNESS0.375 INCHES NOMINAL
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS1.938 INCHES NOMINAL
SPECIAL FEATURESCOUNTERBORED 3.375 IN. DIA LEFT END
SURFACE FINISH125.0 MICROINCHES ALL SURFACES


Click here to Register for Free 30-day Trial

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