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Part Number

Part Number:
NSN:
NIIN:
Item Name:
RING , WEARING

Definition:

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.

CAGE Information

Code Company
83130 BUFFALO PUMPS INC.

Federal Supply Class

Title

POWER AND HAND PUMPS

Inclusions:

Exclusions:

EXCLUDES LABORATORY JET PUMPS (FSG 65 AND 66).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
ADAS BODY INSIDE DIAMETER 6.526 INCHES MINIMUM AND 6.528 INCHES MAXIMUM
ADNU CORNER RADIUS 0.250 INCHES NOMINAL INSIDE RIGHT CORNER
AYRG INTERNAL FLANGE WIDTH 0.312 INCHES NOMINAL
AYRK SMALLEST EXTERNAL ANCHOR FLANGE RADIUS 3.985 INCHES MINIMUM AND 4.000 INCHES MAXIMUM
ADAR BODY OUTSIDE DIAMETER 7.499 INCHES MINIMUM AND 7.500 INCHES MAXIMUM
AAQL BODY STYLE GROOVED W/INTERNAL AND EXTERNAL FLANGE
AYRJ CENTER FLANGE THICKNESS 0.172 INCHES MINIMUM AND 0.177 INCHES MAXIMUM
AYRM DISTANCE BELOW CENTERLINE 0.062 INCHES NOMINAL
AJFM END TO FLANGE DISTANCE 0.325 INCHES NOMINAL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-288 FED SPEC ALL MATERIAL RESPONSES
AYRE INTERNAL FLANGE INSIDE DIAMETER 5.375 INCHES NOMINAL
ABGF GROOVE WIDTH 0.190 INCHES NOMINAL
ANTT DISTANCE FROM END TO GROOVE CENTER 0.157 INCHES NOMINAL
ABGA GROOVE DEPTH 0.125 INCHES NOMINAL
ABHP OVERALL LENGTH 0.875 INCHES NOMINAL
MATT MATERIAL NICKEL ALLOY
BZLX CORNER SHAPE ROUND INSIDE RIGHT CORNER
AYRL LARGEST EXTERNAL ANCHOR FLANGE RADIUS 4.235 INCHES MINIMUM AND 4.250 INCHES MAXIMUM

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