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 |
|---|---|
| 52081 | RAM CENTRIFUGAL PRODUCTS 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 |
|---|---|---|
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE |
| AYRM | DISTANCE BELOW CENTERLINE | 0.156 INCHES NOMINAL |
| AGRS | DISTANCE BETWEEN FLANGES | 0.750 INCHES NOMINAL |
| AYRG | INTERNAL FLANGE WIDTH | 0.531 INCHES NOMINAL |
| AYRL | LARGEST EXTERNAL ANCHOR FLANGE RADIUS | 4.250 INCHES NOMINAL |
| AYRJ | CENTER FLANGE THICKNESS | 0.375 INCHES NOMINAL |
| AYRK | SMALLEST EXTERNAL ANCHOR FLANGE RADIUS | 3.906 INCHES NOMINAL |
| BZLX | CORNER SHAPE | SQUARE INSIDE LEFT CORNER |
| ADXM | RIGHT SIDE FLANGE THICKNESS | 0.312 INCHES NOMINAL |
| ABGA | GROOVE DEPTH | 0.156 INCHES NOMINAL |
| ABGF | GROOVE WIDTH | 0.125 INCHES NOMINAL |
| MATT | MATERIAL | COPPER ALLOY |
| ADXL | LEFT SIDE FLANGE THICKNESS | 0.188 INCHES NOMINAL |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES ALL SURFACES |
| ADAR | BODY OUTSIDE DIAMETER | 8.124 INCHES MINIMUM AND 8.125 INCHES MAXIMUM |
| AAQL | BODY STYLE | EXTERNAL LOCKING FLANGE |
| BZLX | CORNER SHAPE | SQUARE OUTSIDE LEFT CORNER |
| ADNU | CORNER RADIUS | 0.375 INCHES NOMINAL INSIDE RIGHT CORNER |
| BZLX | CORNER SHAPE | SQUARE OUTSIDE RIGHT CORNER |
| ADAS | BODY INSIDE DIAMETER | 7.360 INCHES MINIMUM AND 7.362 INCHES MAXIMUM |
| BZLX | CORNER SHAPE | ROUND INSIDE RIGHT CORNER |
| ABHP | OVERALL LENGTH | 1.250 INCHES NOMINAL |
| AJFM | END TO FLANGE DISTANCE | 0.375 INCHES NOMINAL |