SCREW TAPPING
P/N 11508027
NSN 5305 01 151 8331
MFG GENERAL MOTORS
 
NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7
 
ITEM NAME:   SCREW,TAPPING
DEFINITION:  A hardened externally threaded fastener whose thread extends to the
             bearing surface of the head. The thread may be fluted or otherwise
             designed to cut or form its own mating thread. Excludes SCREW,
             ASSEMBLED WASHER.
            
 
CHARACTERISTIC                          VALUE
FASTENER LENGTH                         1.450 INCHES MINIMUM AND 1.550 INCHES MAXIMUM    
HEAD STYLE                              HEXAGON EXTENDED WASHER                          
HEAD HEIGHT                             0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM    
WIDTH BETWEEN FLATS                     0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM    
EXTENDED WASHER DIAMETER                0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM    
EXTENDED WASHER THICKNESS               0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM    
INTERNAL DRIVE STYLE                    W/O INTERNAL DRIVE                               
FEATURES PROVIDED                       CASEHARDENED                                     
NONMACHINE THREAD STYLE                 GIMLET POINT (TYPE A, AB OR BA)                  
NONMACHINE NOMINAL THREAD               0.250 INCHES                                     
DIAMETER                                                                                 
MATERIAL                                STEEL OVERALL                                    
SURFACE TREATMENT                       PHOSPHATE OVERALL                                
DESIGN CONTROL REFERENCE                11508027                                         
THE MANUFACTURERS DATA                  7X677                                            
MANUFACTURERS CODE                                                                       
SURFACE TREATMENT DOCUMENT              GM4435-M CODE A FSCM 11862 MFR REF SINGLE        
AND CLASSIFICATION                      TREATMENT RESPONSE OVERALL