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		                        | National Stock Number:
 4320-00-433-2972
 
 Federal Supply Class:
 4320
 
 National Item Identification Number:
 004332972
 
 Description:
 IMPELLER,PUMP,CENTRIFUGAL
 
 Detail:
 An item consisting of blades or paddles equally spaced around the periphery of a hub, rotor, or wheel. It is the rotating part of a PUMP, CENTRIFUGAL.
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 Manufacturer Information:
 
 | 10315 | 54402 | RPS-FL, INC. |  | 21968-14 | 0UBG9 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |  | 21968-14 | 80221 | DRESSER INDUSTRIES INC |  | 21968-14 | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |  | N21968-5-1-8 | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |  | 21968N | 93236 | DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE |  | RY-101598 | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |  | N21968N | 93236 | DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE | 
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 Techincal Specification:
 
 | DESIGN TYPE | SINGLE WIDTH |  | BLADE QUANTITY | 4 |  | BLADE TYPE | BACKWARD CURVE |  | KEYWAY DEPTH | 0.093 INCHES NOMINAL |  | KEYWAY LENGTH | 1.187 INCHES NOMINAL |  | KEYWAY QUANTITY | 1 |  | KEYWAY TYPE | RECTANGULAR |  | KEYWAY WIDTH | 0.187 INCHES NOMINAL |  | MATERIAL | IRON CAST |  | HUB BORE DIAMETER | 2.875 INCHES NOMINAL |  | HUB BORE DIAMETER | 2.562 INCHES NOMINAL |  | HUB LENGTH | 0.718 INCHES NOMINAL |  | HUB LENGTH | 0.812 INCHES NOMINAL |  | HUB LOCATION | BACK SIDE |  | HUB LOCATION | FRONT SIDE |  | HUB PROJECTION LENGTH BEYOND WHEEL SIDE | 0.718 INCHES NOMINAL |  | HUB PROJECTION LENGTH BEYOND WHEEL SIDE | 0.812 INCHES NOMINAL |  | HUB QUANTITY | 2 |  | PROPRIETARY CHARACTERISTICS | PACS |  | MOUNTING METHOD | KEY |  | OVERALL DIAMETER | 5.125 INCHES NOMINAL |  | OVERALL WIDTH | 2.750 INCHES NOMINAL |  | ROTATION DIRECTION FOR WHICH DESIGNED | COUNTERCLOCKWISE |  | SPECIAL FEATURES | W/FOUR 1/4 IN. DIA HOLES EQUALLY SPACED ON 1-7/8 IN. DIA BOLT CIRCLE | 
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