GEAR SPUR
PN 537AS580
NSN 3020-01-029-9508
MFG NAVAL AIR WARFARE
 
NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7
 
ITEM NAME:   GEAR,SPUR
DEFINITION:  A gear, cylindrical in form, with straight teeth on the outer surface
             parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR.
             For bulk material, see ROD, PINION.
            
 
CHARACTERISTIC                          VALUE
BODY STYLE                              WEBBED, OFFSET, SOLID                            
PITCH DIAMETER                          3.5000 INCHES NOMINAL                            
TEETH QUANTITY                          42                                               
BORE STYLE                              W/COUNTERBORE BOTH ENDS                          
III HARDNESS RATING                     33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C      
                                        MAXIMUM OVERALL                                   
NOMINAL OUTSIDE DIAMETER                3.657 INCHES                                     
TOOTH FORM                              STANDARD                                         
PRESSURE ANGLE                          20.0000 DEGREES                                   
NOMINAL DISTANCE BETWEEN                1.890 INCHES FIRST END 0.120 INCHES SECOND END   
BODY FACE AND PROTRUDING                                                                 
HUB END                                                                                   
FACE NOMINAL WIDTH                      0.360 INCHES                                     
BORE NOMINAL DIAMETER                   0.300 INCHES BOTH ENDS 0.500 INCHES SECOND END   
COUNTERBORE NOMINAL DEPTH               1.390 INCHES FIRST END 0.370 INCHES SECOND END   
                                        0.500 INCHES SECOND COUNTERBORE, FIRST END       
COUNTERBORE NOMINAL                     1.692 INCHES FIRST END 0.375 INCHES SECOND END   
DIAMETER                                2.130 INCHES SECOND COUNTERBORE, FIRST END       
HUB STYLE DESIGNATOR                    2 STEPS FIRST END PLAIN SECOND END               
END NOMINAL LENGTH                      0.760 INCHES FIRST END                            
END NOMINAL DIAMETER                    2.130 INCHES FIRST END                           
FIRST STEP NOMINAL LENGTH               0.920 INCHES FIRST END                           
FIRST STEP NOMINAL DIAMETER             2.500 INCHES FIRST END                            
SECOND STEP NOMINAL LENGTH              0.210 INCHES FIRST END                           
SECOND STEP NOMINAL                     2.700 INCHES FIRST END                           
DIAMETER                                                                                  
SPECIAL FEATURES                        WEBBED INSIDE BORE; FIRST END SLOTTED AND GROOVED
III MATERIAL                            STEEL COMP 4140 OVERALL                          
MATERIAL DOCUMENT AND                   QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CLASSIFICATION                                                                           
STYLE DESIGNATOR                        PROTRUDING HUBS