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National Stock Number: 4320-01-391-3302
Federal Supply Class: 4320
National Item Identification Number: 013913302
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:
| 654B0247 | 63857 | CIRCOR NAVAL SOLUTIONS LLC | | 654B0247C051 | 63857 | CIRCOR NAVAL SOLUTIONS LLC | | 654B0247C051A | 63857 | CIRCOR NAVAL SOLUTIONS LLC |
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Techincal Specification:
| MATERIAL | COPPER ALLOY | | BODY STYLE | INTERNAL FLANGE W/EXTERNAL LOCKING FLANGE | | OVERALL LENGTH | 0.938 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 4.438 INCHES NOMINAL | | BODY INSIDE DIAMETER | 3.000 INCHES NOMINAL | | LEFT SIDE FLANGE THICKNESS | 0.375 INCHES NOMINAL | | RIGHT SIDE FLANGE THICKNESS | 0.375 INCHES NOMINAL | | DISTANCE BETWEEN FLANGES | 0.430 INCHES NOMINAL | | END TO FLANGE DISTANCE | 0.875 INCHES NOMINAL | | INTERNAL FLANGE INSIDE DIAMETER | 2.625 INCHES NOMINAL | | INTERNAL FLANGE WIDTH | 0.250 INCHES NOMINAL | | SMALLEST EXTERNAL ANCHOR FLANGE RADIUS | 1.938 INCHES NOMINAL | | LARGEST EXTERNAL ANCHOR FLANGE RADIUS | 2.219 INCHES NOMINAL | | DISTANCE BELOW CENTERLINE | 0.125 INCHES NOMINAL | | DISTANCE FROM END | 0.438 INCHES NOMINAL | | CORNER SHAPE | SQUARE ALL CORNERS | | SPECIAL FEATURES | CHUCKING LIG REMOVED AFTER MACHINING |
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