National Stock Number (NSN) Output Data
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.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| D21-2A16U | 10613 | A | 3 | 2 | 6 | AX | ||
| D2 1-2A16U | 82796 | A | 5 | 9 | 6 | AX |
CAGE Information
| Code | Company |
|---|---|
| 10613 | PENTAIR PUMP GROUP INC. DBA FAIRBANK |
| 82796 | COLTEC INDUSTRIES INC. DBA FAIRBANKS |
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 |
|---|---|---|
| AYRM | DISTANCE BELOW CENTERLINE | 0.125 INCHES NOMINAL |
| CSYM | SURFACE FINISH | 250.0 MICROINCHES ALL SURFACES |
| ADAR | BODY OUTSIDE DIAMETER | 5.393 INCHES MINIMUM AND 5.395 INCHES MAXIMUM |
| ABHP | OVERALL LENGTH | 1.375 INCHES NOMINAL |
| MATT | MATERIAL | COPPER ALLOY |
| AYRG | INTERNAL FLANGE WIDTH | 0.375 INCHES NOMINAL |
| ADAS | BODY INSIDE DIAMETER | 4.733 INCHES MINIMUM AND 4.735 INCHES MAXIMUM |
| AYRL | LARGEST EXTERNAL ANCHOR FLANGE RADIUS | 2.875 INCHES NOMINAL |
| AYRE | INTERNAL FLANGE INSIDE DIAMETER | 3.938 INCHES NOMINAL |