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National Stock Number: 4320-00-979-3803
Federal Supply Class: 4320
National Item Identification Number: 009793803
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:
| 17687P | 0UBG9 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | 17687P | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | RY-134324 | 0UBG9 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | RY-134324 | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |
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Techincal Specification:
| MATERIAL | COPPER ALLOY | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE | | BODY STYLE | EXTERNAL FLANGE | | OVERALL LENGTH | 0.750 INCHES NOMINAL | | BOLT CIRCLE DIAMETER | 4.750 INCHES NOMINAL | | FLANGE DIAMETER | 5.438 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 4.246 INCHES MINIMUM AND | | 4.248 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 2.578 INCHES MINIMUM AND | | 2.625 INCHES MAXIMUM | | MINOR OUTSIDE DIAMETER | 3.250 INCHES NOMINAL | | END TO FLANGE DISTANCE | 0.188 INCHES NOMINAL | | CENTER FLANGE THICKNESS | 0.375 INCHES NOMINAL | | BOLT HOLE QUANTITY | 6 | | UNTHREADED MOUNTING HOLE DIAMETER | 0.281 INCHES NOMINAL | | CORNER SHAPE | SQUARE ALL CORNERS | | SURFACE FINISH | 125.0 MICROINCHES ALL SURFACES | | SPECIAL FEATURES | WITH SIX MTG HOLES;0.281 IN. ID; COUNTERBORED TO 0.438 IN. MIN TO 0.454 IN. MAX ID BY 0.234 IN. MIN TO 0.250 IN. MAX DEPTH |
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