NSN 4320-01-384-8981
Part Details | WEARING RING
4320-01-384-8981 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.
Alternate Parts: 547040 ITEM 19, 53716101, 4320-01-384-8981, 01-384-8981, 4320013848981, 013848981
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 43 | DEC 23, 1993 | 01-384-8981 | 22534 ( RING, WEARING ) |
REFERENCE DRAWINGS & PICTURES
EXTERNAL FLANGE
Cross Reference | NSN 4320-01-384-8981
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 547040 ITEM 19 | 71871 | ALFA LAVAL INC. |
| 53716101 | 71871 | ALFA LAVAL INC. |
Technical Data | NSN 4320-01-384-8981
| Characteristic | Specifications |
|---|---|
| BODY STYLE | EXTERNAL FLANGE |
| OVERALL LENGTH | 24.5 MILLIMETERS NOMINAL |
| BOLT CIRCLE DIAMETER | 76.0 MILLIMETERS NOMINAL |
| FLANGE DIAMETER | 88.0 MILLIMETERS NOMINAL |
| BODY OUTSIDE DIAMETER | 50.0 MILLIMETERS NOMINAL |
| BODY INSIDE DIAMETER | 45.0 MILLIMETERS NOMINAL |
| LEFT SIDE FLANGE THICKNESS | 8.5 MILLIMETERS NOMINAL |
| BOLT HOLE QUANTITY | 3 |
| UNTHREADED MOUNTING HOLE DIAMETER | 0.250 INCHES NOMINAL |
| SPECIAL FEATURES | MOUNTING HOLES ARE THREADED 20-UNC W/80.0 DEG CBORE; TWO 8.0 MM HOLES 3.5-4.0 MM DEEP 180.0 DEG APART ON 66.0 MM BOLT CIRCLE FOR SPANNER WRENCH; BODY OF RING HAS 45.0 MM X 1.5 THREAD 11.0 MM DEEP |