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National Stock Number:
4320-01-384-8981
Federal Supply Class:
4320
National Item Identification Number:
013848981
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.
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Manufacturer Information:
| 53716101 | 71871 | ALFA LAVAL INC | | 547040 ITEM 19 | 71871 | ALFA LAVAL INC |
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Techincal Specification:
| 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 | | CORNER SHAPE | SQUARE ALL CORNERS | | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES | | 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 |
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