SCREW
P/N MS16996-10
P/N 10124872
P/N 156500766
P/N 16750347-708
P/N 551-92367
P/N 802-6599755
P/N H658161008
NSN 5305 00 052 6456
MFG NATIONAL AEROSPACE STANDARDS
 
NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7
 
ITEM NAME   SCREW,CAP,SOCKET HE
DEFINITION  An externally threaded fastener whose threaded portion is of one
             nominal diameter. The head has an internal socket or multiple spline
             for use with an inserted driver. A locking feature may be incorporated
             in the design of the head or threads. Excludes items with bevel
             (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW,
             SHOULDER; and SCREW, MACHINE.
            
 
CHARACTERISTIC                          VALUE
THREAD CLASS                            3A                                               
THREAD DIRECTION                        RIGHT-HAND                                       
THREAD LENGTH                           0.454 INCHES MINIMUM                             
FASTENER LENGTH                         0.500 INCHES NOMINAL                              
HEAD STYLE                              FLAT CHAMFER                                     
HEAD DIAMETER                           0.303 INCHES MINIMUM AND 0.313 INCHES MAXIMUM    
HEAD HEIGHT                             0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM    
INTERNAL DRIVE STYLE                    HEXAGON                                          
III END ITEM IDENTIFICATION             MRAP RG-33                                       
NOMINAL THREAD DIAMETER                 0.190 INCHES                                     
WIDTH ACROSS FLATS                      0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM    
THREAD QUANTITY PER INCH                32                                               
MINIMUM TENSILE STRENGTH                80000 POUNDS PER SQUARE INCH                     
HARDNESS RATING                         80.0 ROCKWELL B MINIMUM OVERALL                  
MINIMUM YIELD STRENGTH                  30000 POUNDS PER SQUARE INCH                     
MATERIAL                                STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304
                                        OR STEEL COMP 305 OR STEEL COMP 316 OVERALL      
MATERIAL DOCUMENT AND                   66 FED STD ALL MATERIAL RESPONSES OVERALL        
CLASSIFICATION                                                                           
SURFACE TREATMENT                       PASSIVATE OVERALL                                
SURFACE TREATMENT DOCUMENT              QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AND CLASSIFICATION                                                                       
THREAD SERIES DESIGNATOR                UNF