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National Stock Number: 4320-00-657-4172
Federal Supply Class: 4320
National Item Identification Number: 006574172
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:
| CS4320-0331 | 16236 | DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) | | NA1144-1 | 83130 | AIR & LIQUID SYSTEMS CORPORATION |
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Techincal Specification:
| BODY INSIDE DIAMETER | 5.261 INCHES MINIMUM AND 5.263 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 5.623 INCHES MINIMUM AND 5.624 INCHES MAXIMUM | | BODY STYLE | EXTERNAL LOCKING FLANGE | | CENTER FLANGE THICKNESS | 0.172 INCHES MINIMUM AND 0.177 INCHES MAXIMUM | | DISTANCE BELOW CENTERLINE | 0.062 INCHES NOMINAL | | END TO FLANGE DISTANCE | 0.440 INCHES NOMINAL | | INTERNAL FLANGE INSIDE DIAMETER | 4.500 INCHES NOMINAL | | INTERNAL FLANGE WIDTH | 0.620 INCHES NOMINAL | | LARGEST EXTERNAL ANCHOR FLANGE RADIUS | 3.125 INCHES NOMINAL | | OVERALL LENGTH | 0.875 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY | | SMALLEST EXTERNAL ANCHOR FLANGE RADIUS | 2.938 INCHES NOMINAL |
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