BOLT
P/N NAS6604-18X
NSN 5306-01-266-0506
MFG NATIONAL AEROSPACE STANDARDS
 
NEW GOV SURPLUS
SUPPLIER CAGE CODE 03EF7
 
ITEM NAME:   BOLT,SHOULDER
DEFINITION:  An externally threaded fastener whose threaded portion is of one
             nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It has a round
             unthreaded neck or shank all or part of which is of greater diameter
             than the threaded portion. The head is not designed to be held or
             driven with an inserted drivers. A locking feature may be incorporated
             in the design of the head or threads. For items with a thread diameter
             smaller than No. 10 (0.190 IN.) (5 mm) and those items with an
             inserted drive head, use SCREW, SHOULDER. For items which are No. 10
             (0.190 IN.) (5 mm) or larger in size and are both shouldered and have
             an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY.
             Excludes THUMBSCREW.
            
 
CHARACTERISTIC                          VALUE
THREAD CLASS                            3A                                               
THREAD DIRECTION                        RIGHT-HAND                                       
THREAD LENGTH                           0.400 INCHES MINIMUM AND 0.450 INCHES MAXIMUM    
FASTENER LENGTH                         1.535 INCHES MINIMUM AND 1.565 INCHES MAXIMUM    
HEAD STYLE                              DISHED HEXAGON                                   
HEAD HEIGHT                             0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM    
WIDTH BETWEEN FLATS                     0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM    
SHOULDER DIAMETER                       0.264 INCHES MINIMUM AND 0.265 INCHES MAXIMUM    
                                        FIRST SHOULDER                                   
SHOULDER LENGTH                         1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM    
                                        FIRST SHOULDER                                    
NOMINAL THREAD DIAMETER                 0.250 INCHES                                     
THREAD QUANTITY PER INCH                28                                               
MINIMUM TENSILE STRENGTH                160000 POUNDS PER SQUARE INCH                    
HARDNESS RATING                         36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C      
                                        MAXIMUM OVERALL                                  
SHOULDER SHAPE                          ROUND FIRST SHOULDER                             
MATERIAL                                STEEL COMP E4340 OR STEEL COMP 8740 OVERALL      
MATERIAL DOCUMENT AND                   MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR     
CLASSIFICATION                          MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 
                                        6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL      
SURFACE TREATMENT                       CADMIUM AND CHROMATE OVERALL                     
SURFACE TREATMENT DOCUMENT              QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT     
AND CLASSIFICATION                      RESPONSE OVERALL                                 
THREAD SERIES DESIGNATOR                UNJF                                              
SPECIFICATION/STANDARD DATA             80205-NAS6604 PROFESSIONAL/INDUSTRIAL ASSOCIATION
                                        STANDARD