BOLT
P/N MS16998-60
P/N PWA8662-28
NSN 5305 00 983 6672
MFG EATON
 
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                           1.127 INCHES MINIMUM AND 1.250 INCHES MAXIMUM    
FASTENER LENGTH                         1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM    
HEAD STYLE                              FLAT CHAMFER                                      
HEAD DIAMETER                           0.457 INCHES MINIMUM AND 0.468 INCHES MAXIMUM    
HEAD HEIGHT                             0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM    
INTERNAL DRIVE STYLE                    HEXAGON                                           
NOMINAL THREAD DIAMETER                 0.312 INCHES                                     
WIDTH ACROSS FLATS                      0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM    
THREAD QUANTITY PER INCH                24                                               
MINIMUM TENSILE STRENGTH                160000 POUNDS PER SQUARE INCH                    
HARDNESS RATING                         36.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C      
                                        MAXIMUM OVERALL                                  
MINIMUM YIELD STRENGTH                  130000 POUNDS PER SQUARE INCH                    
MATERIAL                                STEEL OVERALL                                    
SURFACE TREATMENT                       CADMIUM AND CHROMATE OVERALL                     
DEFINITIVE GOVERNMENT                   MS16998-60                                       
SPEC/STD REFERENCE                                                                        
MANUFACTURERS CODE                      96906                                            
NON-DEFINITIVE GOVERNMENT               FF-S-86 REVISION C                               
SPEC/STD REFERENCE                                                                        
SPEC/STD CONTROLLING DATA               81348                                            
MANUFACTURERS CODE                                                                       
SURFACE TREATMENT DOCUMENT              QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT     
AND CLASSIFICATION                      RESPONSE OVERALL                                 
THREAD SERIES DESIGNATOR                UNF                                              
NONDEFINITIVE SPEC/STD DATA             6 TYPE