| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 4140-01-099-6657
 
 Federal Supply Class:
 4140
 
 National Item Identification Number:
 010996657
 
 Description:
 IMPELLER,FAN,CENTRIFUGAL
 
 Detail:
 AN ITEM WITH BLADES, VANES, OR PADDLES EQUALLY SPACED RADIALLY OR HORIZONTALLY AROUND THE PERIPHERY OF A HUB, ROTOR, OR WHEEL. IT IS THE ROTATING PART OF A CENTRIFUGAL FAN, ELECTRIC MOTOR, GENERATOR AND THE LIKE WHICH CREATES A FLOW OF AIR OR GAS PERPENDICULAR TO THE AXIS OF ROTATION.
 |  
		                        | 
 Manufacturer Information:
 
 | 806676-0-01 | 95402 | ELECTRIC BOAT CORP DBA ELECTRO DYNAMIC |  | 806676-0-01 | 96169 | ELECTRIC BOAT CORPORATION | 
 |  
					            | 
 Techincal Specification:
 
 | MATERIAL | STEEL OVERALL |  | ATTACHMENT METHOD | BOLT HOLE |  | STYLE DESIGNATOR | STRAIGHT BLADES DOUBLE WIDTH |  | DIAMETER | 21.000 INCHES NOMINAL |  | BLADE QUANTITY | 16 |  | MOUNTING HOLE QUANTITY | 8 |  | MOUNTING HOLE DIAMETER | 0.343 INCHES NOMINAL |  | MOUNTING BOLT CIRCLE DIAMETER | 14.000 INCHES NOMINAL |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 96169 |  | DESIGN CONTROL REFERENCE | 806676-0-01 | 
 |  |